56257580

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{5399}}^1$

素因数の和:5929

約数の個数: 24

約数和(自身を含む): 118389600

約数和(自身を除く): 62132020

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 5210, 5399, 10420, 10798, 21596, 26995, 53990, 107980, 2812879, 5625758, 11251516, 14064395, 28128790, 56257580]

約数ペア:

[(1, 56257580), (2, 28128790), (4, 14064395), (5, 11251516), (10, 5625758), (20, 2812879), (521, 107980), (1042, 53990), (2084, 26995), (2605, 21596), (5210, 10798), (5399, 10420)]