115540780

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{14851}}^1$

素因数の和:15249

約数の個数: 24

約数和(自身を含む): 243275760

約数和(自身を除く): 127734980

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 14851, 29702, 59404, 74255, 148510, 297020, 5777039, 11554078, 23108156, 28885195, 57770390, 115540780]

約数ペア:

[(1, 115540780), (2, 57770390), (4, 28885195), (5, 23108156), (10, 11554078), (20, 5777039), (389, 297020), (778, 148510), (1556, 74255), (1945, 59404), (3890, 29702), (7780, 14851)]