80266040

素因数分解:

$2^3\times 5^1\times {\mathrm{2006651}}^1$

素因数の和:2006662

約数の個数: 16

約数和(自身を含む): 180598680

約数和(自身を除く): 100332640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2006651, 4013302, 8026604, 10033255, 16053208, 20066510, 40133020, 80266040]

約数ペア:

[(1, 80266040), (2, 40133020), (4, 20066510), (5, 16053208), (8, 10033255), (10, 8026604), (20, 4013302), (40, 2006651)]