134777960

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{7309}}^1$

素因数の和:7781

約数の個数: 32

約数和(自身を含む): 303949800

約数和(自身を除く): 169171840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1844, 2305, 3688, 4610, 7309, 9220, 14618, 18440, 29236, 36545, 58472, 73090, 146180, 292360, 3369449, 6738898, 13477796, 16847245, 26955592, 33694490, 67388980, 134777960]

約数ペア:

[(1, 134777960), (2, 67388980), (4, 33694490), (5, 26955592), (8, 16847245), (10, 13477796), (20, 6738898), (40, 3369449), (461, 292360), (922, 146180), (1844, 73090), (2305, 58472), (3688, 36545), (4610, 29236), (7309, 18440), (9220, 14618)]