90250040

素因数分解:

$2^3\times 5^1\times {\mathrm{2256251}}^1$

素因数の和:2256262

約数の個数: 16

約数和(自身を含む): 203062680

約数和(自身を除く): 112812640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2256251, 4512502, 9025004, 11281255, 18050008, 22562510, 45125020, 90250040]

約数ペア:

[(1, 90250040), (2, 45125020), (4, 22562510), (5, 18050008), (8, 11281255), (10, 9025004), (20, 4512502), (40, 2256251)]