123337640

素因数分解:

$2^3\times 5^1\times {\mathrm{709}}^1\times {\mathrm{4349}}^1$

素因数の和:5069

約数の個数: 32

約数和(自身を含む): 277965000

約数和(自身を除く): 154627360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 709, 1418, 2836, 3545, 4349, 5672, 7090, 8698, 14180, 17396, 21745, 28360, 34792, 43490, 86980, 173960, 3083441, 6166882, 12333764, 15417205, 24667528, 30834410, 61668820, 123337640]

約数ペア:

[(1, 123337640), (2, 61668820), (4, 30834410), (5, 24667528), (8, 15417205), (10, 12333764), (20, 6166882), (40, 3083441), (709, 173960), (1418, 86980), (2836, 43490), (3545, 34792), (4349, 28360), (5672, 21745), (7090, 17396), (8698, 14180)]