8160620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31387}}^1$

素因数の和:31409

約数の個数: 24

約数和(自身を含む): 18456144

約数和(自身を除く): 10295524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 31387, 62774, 125548, 156935, 313870, 408031, 627740, 816062, 1632124, 2040155, 4080310, 8160620]

約数ペア:

[(1, 8160620), (2, 4080310), (4, 2040155), (5, 1632124), (10, 816062), (13, 627740), (20, 408031), (26, 313870), (52, 156935), (65, 125548), (130, 62774), (260, 31387)]