25395005

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1$

素因数の和:556

約数の個数: 16

約数和(自身を含む): 31040064

約数和(自身を除く): 5645059

約数列:

[1, 5, 131, 137, 283, 655, 685, 1415, 17947, 37073, 38771, 89735, 185365, 193855, 5079001, 25395005]

約数ペア:

[(1, 25395005), (5, 5079001), (131, 193855), (137, 185365), (283, 89735), (655, 38771), (685, 37073), (1415, 17947)]