15405160

素因数分解:

$2^3\times 5^1\times {\mathrm{385129}}^1$

素因数の和:385140

約数の個数: 16

約数和(自身を含む): 34661700

約数和(自身を除く): 19256540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 385129, 770258, 1540516, 1925645, 3081032, 3851290, 7702580, 15405160]

約数ペア:

[(1, 15405160), (2, 7702580), (4, 3851290), (5, 3081032), (8, 1925645), (10, 1540516), (20, 770258), (40, 385129)]