66928375

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 88920000

約数和(自身を除く): 21991625

約数列:

[1, 5, 25, 29, 37, 125, 145, 185, 499, 725, 925, 1073, 2495, 3625, 4625, 5365, 12475, 14471, 18463, 26825, 62375, 72355, 92315, 134125, 361775, 461575, 535427, 1808875, 2307875, 2677135, 13385675, 66928375]

約数ペア:

[(1, 66928375), (5, 13385675), (25, 2677135), (29, 2307875), (37, 1808875), (125, 535427), (145, 461575), (185, 361775), (499, 134125), (725, 92315), (925, 72355), (1073, 62375), (2495, 26825), (3625, 18463), (4625, 14471), (5365, 12475)]