15985540

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{10949}}^1$

素因数の和:11031

約数の個数: 24

約数和(自身を含む): 34032600

約数和(自身を除く): 18047060

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 10949, 21898, 43796, 54745, 109490, 218980, 799277, 1598554, 3197108, 3996385, 7992770, 15985540]

約数ペア:

[(1, 15985540), (2, 7992770), (4, 3996385), (5, 3197108), (10, 1598554), (20, 799277), (73, 218980), (146, 109490), (292, 54745), (365, 43796), (730, 21898), (1460, 10949)]