2005029100

素因数分解:

$2^2\times 5^2\times {\mathrm{20050291}}^1$

素因数の和:20050305

約数の個数: 18

約数和(自身を含む): 4350913364

約数和(自身を除く): 2345884264

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 20050291, 40100582, 80201164, 100251455, 200502910, 401005820, 501257275, 1002514550, 2005029100]

約数ペア:

[(1, 2005029100), (2, 1002514550), (4, 501257275), (5, 401005820), (10, 200502910), (20, 100251455), (25, 80201164), (50, 40100582), (100, 20050291)]