126161960

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{22691}}^1$

素因数の和:22841

約数の個数: 32

約数和(自身を含む): 285919200

約数和(自身を除く): 159757240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 22691, 45382, 90764, 113455, 181528, 226910, 453820, 907640, 3154049, 6308098, 12616196, 15770245, 25232392, 31540490, 63080980, 126161960]

約数ペア:

[(1, 126161960), (2, 63080980), (4, 31540490), (5, 25232392), (8, 15770245), (10, 12616196), (20, 6308098), (40, 3154049), (139, 907640), (278, 453820), (556, 226910), (695, 181528), (1112, 113455), (1390, 90764), (2780, 45382), (5560, 22691)]