79608680

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15671}}^1$

素因数の和:15809

約数の個数: 32

約数和(自身を含む): 180541440

約数和(自身を除く): 100932760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 15671, 31342, 62684, 78355, 125368, 156710, 313420, 626840, 1990217, 3980434, 7960868, 9951085, 15921736, 19902170, 39804340, 79608680]

約数ペア:

[(1, 79608680), (2, 39804340), (4, 19902170), (5, 15921736), (8, 9951085), (10, 7960868), (20, 3980434), (40, 1990217), (127, 626840), (254, 313420), (508, 156710), (635, 125368), (1016, 78355), (1270, 62684), (2540, 31342), (5080, 15671)]