54877820

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{15329}}^1$

素因数の和:15517

約数の個数: 24

約数和(自身を含む): 115894800

約数和(自身を除く): 61016980

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 15329, 30658, 61316, 76645, 153290, 306580, 2743891, 5487782, 10975564, 13719455, 27438910, 54877820]

約数ペア:

[(1, 54877820), (2, 27438910), (4, 13719455), (5, 10975564), (10, 5487782), (20, 2743891), (179, 306580), (358, 153290), (716, 76645), (895, 61316), (1790, 30658), (3580, 15329)]