128450825

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1549}}^1$

素因数の和:1697

約数の個数: 24

約数和(自身を含む): 166060800

約数和(自身を除く): 37609975

約数列:

[1, 5, 25, 31, 107, 155, 535, 775, 1549, 2675, 3317, 7745, 16585, 38725, 48019, 82925, 165743, 240095, 828715, 1200475, 4143575, 5138033, 25690165, 128450825]

約数ペア:

[(1, 128450825), (5, 25690165), (25, 5138033), (31, 4143575), (107, 1200475), (155, 828715), (535, 240095), (775, 165743), (1549, 82925), (2675, 48019), (3317, 38725), (7745, 16585)]