Factors of 8080
The factors of 8080 are 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080. It has 20 factors.
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 8080 is a whole number that divides it with nothing left over. You only need to test the numbers up to √8080 ≈ 89.89; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 20 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: the sum is 18972. Without 8080 itself that is 10892, so 8080 is an abundant number.
LaTeX source of the formulas on this page
\[ 8080 = 2^{4} \times 5 \times 101 \]Factor pairs of 8080
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 8080 | 1 × 8080 = 8080 |
| 2 | 4040 | 2 × 4040 = 8080 |
| 4 | 2020 | 4 × 2020 = 8080 |
| 5 | 1616 | 5 × 1616 = 8080 |
| 8 | 1010 | 8 × 1010 = 8080 |
| 10 | 808 | 10 × 808 = 8080 |
| 16 | 505 | 16 × 505 = 8080 |
| 20 | 404 | 20 × 404 = 8080 |
| 40 | 202 | 40 × 202 = 8080 |
| 80 | 101 | 80 × 101 = 8080 |
Questions
What are the factors of 8080?
The factors of 8080 are 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080. It has 20 factors.
What are the prime factors of 8080?
2, 5, 101. As a product: × 5 × 101.
How many factors does 8080 have?
8080 has 20 factors (10 factor pairs).
What is the sum of the factors of 8080?
18972.
Is 8080 a prime number?
No. It is divisible by 2, so 8080 = 2 × 4040.