68610625

素因数分解:

$5^4\times {\mathrm{151}}^1\times {\mathrm{727}}^1$

素因数の和:898

約数の個数: 20

約数和(自身を含む): 86422336

約数和(自身を除く): 17811711

約数列:

[1, 5, 25, 125, 151, 625, 727, 755, 3635, 3775, 18175, 18875, 90875, 94375, 109777, 454375, 548885, 2744425, 13722125, 68610625]

約数ペア:

[(1, 68610625), (5, 13722125), (25, 2744425), (125, 548885), (151, 454375), (625, 109777), (727, 94375), (755, 90875), (3635, 18875), (3775, 18175)]