39441620

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{3067}}^1$

素因数の和:3719

約数の個数: 24

約数和(自身を含む): 82983264

約数和(自身を除く): 43541644

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3067, 3215, 6134, 6430, 12268, 12860, 15335, 30670, 61340, 1972081, 3944162, 7888324, 9860405, 19720810, 39441620]

約数ペア:

[(1, 39441620), (2, 19720810), (4, 9860405), (5, 7888324), (10, 3944162), (20, 1972081), (643, 61340), (1286, 30670), (2572, 15335), (3067, 12860), (3215, 12268), (6134, 6430)]