3855625

素因数分解:

$5^4\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:250

約数の個数: 20

約数和(自身を含む): 4998400

約数和(自身を除く): 1142775

約数列:

[1, 5, 25, 31, 125, 155, 199, 625, 775, 995, 3875, 4975, 6169, 19375, 24875, 30845, 124375, 154225, 771125, 3855625]

約数ペア:

[(1, 3855625), (5, 771125), (25, 154225), (31, 124375), (125, 30845), (155, 24875), (199, 19375), (625, 6169), (775, 4975), (995, 3875)]