131440025

素因数分解:

$5^2\times {\mathrm{1231}}^1\times {\mathrm{4271}}^1$

素因数の和:5512

約数の個数: 12

約数和(自身を含む): 163156224

約数和(自身を除く): 31716199

約数列:

[1, 5, 25, 1231, 4271, 6155, 21355, 30775, 106775, 5257601, 26288005, 131440025]

約数ペア:

[(1, 131440025), (5, 26288005), (25, 5257601), (1231, 106775), (4271, 30775), (6155, 21355)]