128305825

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{2351}}^1$

素因数の和:2457

約数の個数: 24

約数和(自身を含む): 166239360

約数和(自身を除く): 37933535

約数列:

[1, 5, 25, 37, 59, 185, 295, 925, 1475, 2183, 2351, 10915, 11755, 54575, 58775, 86987, 138709, 434935, 693545, 2174675, 3467725, 5132233, 25661165, 128305825]

約数ペア:

[(1, 128305825), (5, 25661165), (25, 5132233), (37, 3467725), (59, 2174675), (185, 693545), (295, 434935), (925, 138709), (1475, 86987), (2183, 58775), (2351, 54575), (10915, 11755)]