61668820

素因数分解:

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

素因数の和:5067

約数の個数: 24

約数和(自身を含む): 129717000

約数和(自身を除く): 68048180

約数列:

[1, 2, 4, 5, 10, 20, 709, 1418, 2836, 3545, 4349, 7090, 8698, 14180, 17396, 21745, 43490, 86980, 3083441, 6166882, 12333764, 15417205, 30834410, 61668820]

約数ペア:

[(1, 61668820), (2, 30834410), (4, 15417205), (5, 12333764), (10, 6166882), (20, 3083441), (709, 86980), (1418, 43490), (2836, 21745), (3545, 17396), (4349, 14180), (7090, 8698)]