9203960

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2111}}^1$

素因数の和:2231

約数の個数: 32

約数和(自身を含む): 20908800

約数和(自身を除く): 11704840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2111, 2180, 4222, 4360, 8444, 10555, 16888, 21110, 42220, 84440, 230099, 460198, 920396, 1150495, 1840792, 2300990, 4601980, 9203960]

約数ペア:

[(1, 9203960), (2, 4601980), (4, 2300990), (5, 1840792), (8, 1150495), (10, 920396), (20, 460198), (40, 230099), (109, 84440), (218, 42220), (436, 21110), (545, 16888), (872, 10555), (1090, 8444), (2111, 4360), (2180, 4222)]