15216980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{9631}}^1$

素因数の和:9719

約数の個数: 24

約数和(自身を含む): 32363520

約数和(自身を除く): 17146540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 9631, 19262, 38524, 48155, 96310, 192620, 760849, 1521698, 3043396, 3804245, 7608490, 15216980]

約数ペア:

[(1, 15216980), (2, 7608490), (4, 3804245), (5, 3043396), (10, 1521698), (20, 760849), (79, 192620), (158, 96310), (316, 48155), (395, 38524), (790, 19262), (1580, 9631)]