68409160

素因数分解:

$2^3\times 5^1\times {\mathrm{1710229}}^1$

素因数の和:1710240

約数の個数: 16

約数和(自身を含む): 153920700

約数和(自身を除く): 85511540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1710229, 3420458, 6840916, 8551145, 13681832, 17102290, 34204580, 68409160]

約数ペア:

[(1, 68409160), (2, 34204580), (4, 17102290), (5, 13681832), (8, 8551145), (10, 6840916), (20, 3420458), (40, 1710229)]