65707240

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{14537}}^1$

素因数の和:14661

約数の個数: 32

約数和(自身を含む): 149159880

約数和(自身を除く): 83452640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 14537, 29074, 58148, 72685, 116296, 145370, 290740, 581480, 1642681, 3285362, 6570724, 8213405, 13141448, 16426810, 32853620, 65707240]

約数ペア:

[(1, 65707240), (2, 32853620), (4, 16426810), (5, 13141448), (8, 8213405), (10, 6570724), (20, 3285362), (40, 1642681), (113, 581480), (226, 290740), (452, 145370), (565, 116296), (904, 72685), (1130, 58148), (2260, 29074), (4520, 14537)]