2018532080

素因数分解:

$2^4\times 5^1\times {\mathrm{25231651}}^1$

素因数の和:25231664

約数の個数: 20

約数和(自身を含む): 4693087272

約数和(自身を除く): 2674555192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25231651, 50463302, 100926604, 126158255, 201853208, 252316510, 403706416, 504633020, 1009266040, 2018532080]

約数ペア:

[(1, 2018532080), (2, 1009266040), (4, 504633020), (5, 403706416), (8, 252316510), (10, 201853208), (16, 126158255), (20, 100926604), (40, 50463302), (80, 25231651)]