396237620

素因数分解:

$2^2\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{12611}}^1$

素因数の和:14191

約数の個数: 24

約数和(自身を含む): 832694688

約数和(自身を除く): 436457068

約数列:

[1, 2, 4, 5, 10, 20, 1571, 3142, 6284, 7855, 12611, 15710, 25222, 31420, 50444, 63055, 126110, 252220, 19811881, 39623762, 79247524, 99059405, 198118810, 396237620]

約数ペア:

[(1, 396237620), (2, 198118810), (4, 99059405), (5, 79247524), (10, 39623762), (20, 19811881), (1571, 252220), (3142, 126110), (6284, 63055), (7855, 50444), (12611, 31420), (15710, 25222)]