128985575

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1117}}^1$

素因数の和:1307

約数の個数: 24

約数和(自身を含む): 166358400

約数和(自身を除く): 37372825

約数列:

[1, 5, 25, 31, 149, 155, 745, 775, 1117, 3725, 4619, 5585, 23095, 27925, 34627, 115475, 166433, 173135, 832165, 865675, 4160825, 5159423, 25797115, 128985575]

約数ペア:

[(1, 128985575), (5, 25797115), (25, 5159423), (31, 4160825), (149, 865675), (155, 832165), (745, 173135), (775, 166433), (1117, 115475), (3725, 34627), (4619, 27925), (5585, 23095)]