6670625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:854

約数の個数: 20

約数和(自身を含む): 8987748

約数和(自身を除く): 2317123

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 821, 1625, 4105, 8125, 10673, 20525, 53365, 102625, 266825, 513125, 1334125, 6670625]

約数ペア:

[(1, 6670625), (5, 1334125), (13, 513125), (25, 266825), (65, 102625), (125, 53365), (325, 20525), (625, 10673), (821, 8125), (1625, 4105)]