90205945

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{3359}}^1$

素因数の和:3536

約数の個数: 16

約数和(自身を含む): 111767040

約数和(自身を除く): 21561095

約数列:

[1, 5, 41, 131, 205, 655, 3359, 5371, 16795, 26855, 137719, 440029, 688595, 2200145, 18041189, 90205945]

約数ペア:

[(1, 90205945), (5, 18041189), (41, 2200145), (131, 688595), (205, 440029), (655, 137719), (3359, 26855), (5371, 16795)]