31493780

素因数分解:

$2^2\times 5^1\times {\mathrm{709}}^1\times {\mathrm{2221}}^1$

素因数の和:2939

約数の個数: 24

約数和(自身を含む): 66260040

約数和(自身を除く): 34766260

約数列:

[1, 2, 4, 5, 10, 20, 709, 1418, 2221, 2836, 3545, 4442, 7090, 8884, 11105, 14180, 22210, 44420, 1574689, 3149378, 6298756, 7873445, 15746890, 31493780]

約数ペア:

[(1, 31493780), (2, 15746890), (4, 7873445), (5, 6298756), (10, 3149378), (20, 1574689), (709, 44420), (1418, 22210), (2221, 14180), (2836, 11105), (3545, 8884), (4442, 7090)]