54908680

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{7187}}^1$

素因数の和:7389

約数の個数: 32

約数和(自身を含む): 124208640

約数和(自身を除く): 69299960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7187, 7640, 14374, 28748, 35935, 57496, 71870, 143740, 287480, 1372717, 2745434, 5490868, 6863585, 10981736, 13727170, 27454340, 54908680]

約数ペア:

[(1, 54908680), (2, 27454340), (4, 13727170), (5, 10981736), (8, 6863585), (10, 5490868), (20, 2745434), (40, 1372717), (191, 287480), (382, 143740), (764, 71870), (955, 57496), (1528, 35935), (1910, 28748), (3820, 14374), (7187, 7640)]