9011920

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{887}}^1$

素因数の和:1027

約数の個数: 40

約数和(自身を含む): 21141504

約数和(自身を除く): 12129584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 887, 1016, 1270, 1774, 2032, 2540, 3548, 4435, 5080, 7096, 8870, 10160, 14192, 17740, 35480, 70960, 112649, 225298, 450596, 563245, 901192, 1126490, 1802384, 2252980, 4505960, 9011920]

約数ペア:

[(1, 9011920), (2, 4505960), (4, 2252980), (5, 1802384), (8, 1126490), (10, 901192), (16, 563245), (20, 450596), (40, 225298), (80, 112649), (127, 70960), (254, 35480), (508, 17740), (635, 14192), (887, 10160), (1016, 8870), (1270, 7096), (1774, 5080), (2032, 4435), (2540, 3548)]