31825625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{3917}}^1$

素因数の和:3950

約数の個数: 20

約数和(自身を含む): 42839412

約数和(自身を除く): 11013787

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 3917, 8125, 19585, 50921, 97925, 254605, 489625, 1273025, 2448125, 6365125, 31825625]

約数ペア:

[(1, 31825625), (5, 6365125), (13, 2448125), (25, 1273025), (65, 489625), (125, 254605), (325, 97925), (625, 50921), (1625, 19585), (3917, 8125)]