57708820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{221957}}^1$

素因数の和:221979

約数の個数: 24

約数和(自身を含む): 130511304

約数和(自身を除く): 72802484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 221957, 443914, 887828, 1109785, 2219570, 2885441, 4439140, 5770882, 11541764, 14427205, 28854410, 57708820]

約数ペア:

[(1, 57708820), (2, 28854410), (4, 14427205), (5, 11541764), (10, 5770882), (13, 4439140), (20, 2885441), (26, 2219570), (52, 1109785), (65, 887828), (130, 443914), (260, 221957)]