57249620

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{21851}}^1$

素因数の和:21991

約数の個数: 24

約数和(自身を含む): 121147488

約数和(自身を除く): 63897868

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 21851, 43702, 87404, 109255, 218510, 437020, 2862481, 5724962, 11449924, 14312405, 28624810, 57249620]

約数ペア:

[(1, 57249620), (2, 28624810), (4, 14312405), (5, 11449924), (10, 5724962), (20, 2862481), (131, 437020), (262, 218510), (524, 109255), (655, 87404), (1310, 43702), (2620, 21851)]