14880625

素因数分解:

$5^4\times {\mathrm{29}}^1\times {\mathrm{821}}^1$

素因数の和:870

約数の個数: 20

約数和(自身を含む): 19259460

約数和(自身を除く): 4378835

約数列:

[1, 5, 25, 29, 125, 145, 625, 725, 821, 3625, 4105, 18125, 20525, 23809, 102625, 119045, 513125, 595225, 2976125, 14880625]

約数ペア:

[(1, 14880625), (5, 2976125), (25, 595225), (29, 513125), (125, 119045), (145, 102625), (625, 23809), (725, 20525), (821, 18125), (3625, 4105)]