9971320

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2287}}^1$

素因数の和:2407

約数の個数: 32

約数和(自身を含む): 22651200

約数和(自身を除く): 12679880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 2287, 4360, 4574, 9148, 11435, 18296, 22870, 45740, 91480, 249283, 498566, 997132, 1246415, 1994264, 2492830, 4985660, 9971320]

約数ペア:

[(1, 9971320), (2, 4985660), (4, 2492830), (5, 1994264), (8, 1246415), (10, 997132), (20, 498566), (40, 249283), (109, 91480), (218, 45740), (436, 22870), (545, 18296), (872, 11435), (1090, 9148), (2180, 4574), (2287, 4360)]