12685940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{8689}}^1$

素因数の和:8771

約数の個数: 24

約数和(自身を含む): 27008520

約数和(自身を除く): 14322580

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 8689, 17378, 34756, 43445, 86890, 173780, 634297, 1268594, 2537188, 3171485, 6342970, 12685940]

約数ペア:

[(1, 12685940), (2, 6342970), (4, 3171485), (5, 2537188), (10, 1268594), (20, 634297), (73, 173780), (146, 86890), (292, 43445), (365, 34756), (730, 17378), (1460, 8689)]