1520388025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{150907}}^1$

素因数の和:150961

約数の個数: 24

約数和(自身を含む): 2095810304

約数和(自身を除く): 575422279

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 2015, 10075, 150907, 754535, 1961791, 3772675, 4678117, 9808955, 23390585, 49044775, 60815521, 116952925, 304077605, 1520388025]

約数ペア:

[(1, 1520388025), (5, 304077605), (13, 116952925), (25, 60815521), (31, 49044775), (65, 23390585), (155, 9808955), (325, 4678117), (403, 3772675), (775, 1961791), (2015, 754535), (10075, 150907)]