115417640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{221957}}^1$

素因数の和:221981

約数の個数: 32

約数和(自身を含む): 279667080

約数和(自身を除く): 164249440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 221957, 443914, 887828, 1109785, 1775656, 2219570, 2885441, 4439140, 5770882, 8878280, 11541764, 14427205, 23083528, 28854410, 57708820, 115417640]

約数ペア:

[(1, 115417640), (2, 57708820), (4, 28854410), (5, 23083528), (8, 14427205), (10, 11541764), (13, 8878280), (20, 5770882), (26, 4439140), (40, 2885441), (52, 2219570), (65, 1775656), (104, 1109785), (130, 887828), (260, 443914), (520, 221957)]