2019933680

素因数分解:

$2^4\times 5^1\times {\mathrm{25249171}}^1$

素因数の和:25249184

約数の個数: 20

約数和(自身を含む): 4696345992

約数和(自身を除く): 2676412312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25249171, 50498342, 100996684, 126245855, 201993368, 252491710, 403986736, 504983420, 1009966840, 2019933680]

約数ペア:

[(1, 2019933680), (2, 1009966840), (4, 504983420), (5, 403986736), (8, 252491710), (10, 201993368), (16, 126245855), (20, 100996684), (40, 50498342), (80, 25249171)]