Factors of 4040
The factors of 4040 are 1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040. It has 16 factors.
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 4040 is a whole number that divides it with nothing left over. You only need to test the numbers up to √4040 ≈ 63.56; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 16 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: the sum is 9180. Without 4040 itself that is 5140, so 4040 is an abundant number.
LaTeX source of the formulas on this page
\[ 4040 = 2^{3} \times 5 \times 101 \]Factor pairs of 4040
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 4040 | 1 × 4040 = 4040 |
| 2 | 2020 | 2 × 2020 = 4040 |
| 4 | 1010 | 4 × 1010 = 4040 |
| 5 | 808 | 5 × 808 = 4040 |
| 8 | 505 | 8 × 505 = 4040 |
| 10 | 404 | 10 × 404 = 4040 |
| 20 | 202 | 20 × 202 = 4040 |
| 40 | 101 | 40 × 101 = 4040 |
Questions
What are the factors of 4040?
The factors of 4040 are 1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040. It has 16 factors.
What are the prime factors of 4040?
2, 5, 101. As a product: × 5 × 101.
How many factors does 4040 have?
4040 has 16 factors (8 factor pairs).
What is the sum of the factors of 4040?
9180.
Is 4040 a prime number?
No. It is divisible by 2, so 4040 = 2 × 2020.