9558040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5557}}^1$

素因数の和:5611

約数の個数: 32

約数和(自身を含む): 22009680

約数和(自身を除く): 12451640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 5557, 11114, 22228, 27785, 44456, 55570, 111140, 222280, 238951, 477902, 955804, 1194755, 1911608, 2389510, 4779020, 9558040]

約数ペア:

[(1, 9558040), (2, 4779020), (4, 2389510), (5, 1911608), (8, 1194755), (10, 955804), (20, 477902), (40, 238951), (43, 222280), (86, 111140), (172, 55570), (215, 44456), (344, 27785), (430, 22228), (860, 11114), (1720, 5557)]