Factors of 9820
The factors of 9820 are 1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820. It has 12 factors.
Pick any whole number from 1 to 10,000.
How to work it out
- 1
A factor of 9820 is a whole number that divides it with nothing left over. You only need to test the numbers up to √9820 ≈ 99.10; every one that divides gives a pair.
- 2
The factor pairs are listed in the table below. Together they give 12 factors.
- 3
Prime factorisation: keep dividing by the smallest prime that fits.
- 4
Add all the factors: 1 + 2 + 4 + 5 + 10 + 20 + 491 + 982 + 1964 + 2455 + 4910 + 9820 = 20664. Without 9820 itself that is 10844, so 9820 is an abundant number.
LaTeX source of the formulas on this page
\[ 9820 = 2^{2} \times 5 \times 491 \]Factor pairs of 9820
| Factor | Pairs with | Product |
|---|---|---|
| 1 | 9820 | 1 × 9820 = 9820 |
| 2 | 4910 | 2 × 4910 = 9820 |
| 4 | 2455 | 4 × 2455 = 9820 |
| 5 | 1964 | 5 × 1964 = 9820 |
| 10 | 982 | 10 × 982 = 9820 |
| 20 | 491 | 20 × 491 = 9820 |
Questions
What are the factors of 9820?
The factors of 9820 are 1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820. It has 12 factors.
What are the prime factors of 9820?
2, 5, 491. As a product: × 5 × 491.
How many factors does 9820 have?
9820 has 12 factors (6 factor pairs).
What is the sum of the factors of 9820?
20664.
Is 9820 a prime number?
No. It is divisible by 2, so 9820 = 2 × 4910.