2018996080

素因数分解:

$2^4\times 5^1\times {\mathrm{25237451}}^1$

素因数の和:25237464

約数の個数: 20

約数和(自身を含む): 4694166072

約数和(自身を除く): 2675169992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25237451, 50474902, 100949804, 126187255, 201899608, 252374510, 403799216, 504749020, 1009498040, 2018996080]

約数ペア:

[(1, 2018996080), (2, 1009498040), (4, 504749020), (5, 403799216), (8, 252374510), (10, 201899608), (16, 126187255), (20, 100949804), (40, 50474902), (80, 25237451)]