667308080

素因数分解:

$2^4\times 5^1\times {\mathrm{8341351}}^1$

素因数の和:8341364

約数の個数: 20

約数和(自身を含む): 1551491472

約数和(自身を除く): 884183392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 8341351, 16682702, 33365404, 41706755, 66730808, 83413510, 133461616, 166827020, 333654040, 667308080]

約数ペア:

[(1, 667308080), (2, 333654040), (4, 166827020), (5, 133461616), (8, 83413510), (10, 66730808), (16, 41706755), (20, 33365404), (40, 16682702), (80, 8341351)]