68520475

素因数分解:

$5^2\times {\mathrm{29}}^2\times {\mathrm{3259}}^1$

素因数の和:3327

約数の個数: 18

約数和(自身を含む): 88023260

約数和(自身を除く): 19502785

約数列:

[1, 5, 25, 29, 145, 725, 841, 3259, 4205, 16295, 21025, 81475, 94511, 472555, 2362775, 2740819, 13704095, 68520475]

約数ペア:

[(1, 68520475), (5, 13704095), (25, 2740819), (29, 2362775), (145, 472555), (725, 94511), (841, 81475), (3259, 21025), (4205, 16295)]