638130125

素因数分解:

$5^3\times {\mathrm{1459}}^1\times {\mathrm{3499}}^1$

素因数の和:4973

約数の個数: 16

約数和(自身を含む): 797160000

約数和(自身を除く): 159029875

約数列:

[1, 5, 25, 125, 1459, 3499, 7295, 17495, 36475, 87475, 182375, 437375, 5105041, 25525205, 127626025, 638130125]

約数ペア:

[(1, 638130125), (5, 127626025), (25, 25525205), (125, 5105041), (1459, 437375), (3499, 182375), (7295, 87475), (17495, 36475)]