Factors of 320
The factors of 320 are 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320. It has 14 factors.
Factors of 320
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 320 is a whole number that divides it with nothing left over. You only need to test the numbers up to ā320 ā 17.89; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 14 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: the sum is 762. Without 320 itself that is 442, so 320 is an abundant number.
LaTeX source of the formulas on this page
\[ 320 = 2^{6} \times 5 \]Factor pairs of 320
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 320 | 1 Ć 320 = 320 |
| 2 | 160 | 2 Ć 160 = 320 |
| 4 | 80 | 4 Ć 80 = 320 |
| 5 | 64 | 5 Ć 64 = 320 |
| 8 | 40 | 8 Ć 40 = 320 |
| 10 | 32 | 10 Ć 32 = 320 |
| 16 | 20 | 16 Ć 20 = 320 |
Questions
What are the factors of 320?
The factors of 320 are 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320. It has 14 factors.
What are the prime factors of 320?
2, 5. As a product: Ć 5.
How many factors does 320 have?
320 has 14 factors (7 factor pairs).
What is the sum of the factors of 320?
762.
Is 320 a prime number?
No. It is divisible by 2, so 320 = 2 Ć 160.