63858125

素因数分解:

$5^4\times {\mathrm{83}}^1\times {\mathrm{1231}}^1$

素因数の和:1334

約数の個数: 20

約数和(自身を含む): 80824128

約数和(自身を除く): 16966003

約数列:

[1, 5, 25, 83, 125, 415, 625, 1231, 2075, 6155, 10375, 30775, 51875, 102173, 153875, 510865, 769375, 2554325, 12771625, 63858125]

約数ペア:

[(1, 63858125), (5, 12771625), (25, 2554325), (83, 769375), (125, 510865), (415, 153875), (625, 102173), (1231, 51875), (2075, 30775), (6155, 10375)]