839003740

素因数分解:

$2^2\times 5^1\times {\mathrm{3449}}^1\times {\mathrm{12163}}^1$

素因数の和:15621

約数の個数: 24

約数和(自身を含む): 1762563600

約数和(自身を除く): 923559860

約数列:

[1, 2, 4, 5, 10, 20, 3449, 6898, 12163, 13796, 17245, 24326, 34490, 48652, 60815, 68980, 121630, 243260, 41950187, 83900374, 167800748, 209750935, 419501870, 839003740]

約数ペア:

[(1, 839003740), (2, 419501870), (4, 209750935), (5, 167800748), (10, 83900374), (20, 41950187), (3449, 243260), (6898, 121630), (12163, 68980), (13796, 60815), (17245, 48652), (24326, 34490)]