8013220

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2689}}^1$

素因数の和:2847

約数の個数: 24

約数和(自身を含む): 16947000

約数和(自身を除く): 8933780

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2689, 2980, 5378, 10756, 13445, 26890, 53780, 400661, 801322, 1602644, 2003305, 4006610, 8013220]

約数ペア:

[(1, 8013220), (2, 4006610), (4, 2003305), (5, 1602644), (10, 801322), (20, 400661), (149, 53780), (298, 26890), (596, 13445), (745, 10756), (1490, 5378), (2689, 2980)]