889492040

素因数分解:

$2^3\times 5^1\times {\mathrm{22237301}}^1$

素因数の和:22237312

約数の個数: 16

約数和(自身を含む): 2001357180

約数和(自身を除く): 1111865140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 22237301, 44474602, 88949204, 111186505, 177898408, 222373010, 444746020, 889492040]

約数ペア:

[(1, 889492040), (2, 444746020), (4, 222373010), (5, 177898408), (8, 111186505), (10, 88949204), (20, 44474602), (40, 22237301)]