128743525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{2069}}^1$

素因数の和:2229

約数の個数: 24

約数和(自身を含む): 169408800

約数和(自身を除く): 40665275

約数列:

[1, 5, 19, 25, 95, 131, 475, 655, 2069, 2489, 3275, 10345, 12445, 39311, 51725, 62225, 196555, 271039, 982775, 1355195, 5149741, 6775975, 25748705, 128743525]

約数ペア:

[(1, 128743525), (5, 25748705), (19, 6775975), (25, 5149741), (95, 1355195), (131, 982775), (475, 271039), (655, 196555), (2069, 62225), (2489, 51725), (3275, 39311), (10345, 12445)]