1008581680

素因数分解:

$2^4\times 5^1\times {\mathrm{12607271}}^1$

素因数の和:12607284

約数の個数: 20

約数和(自身を含む): 2344952592

約数和(自身を除く): 1336370912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12607271, 25214542, 50429084, 63036355, 100858168, 126072710, 201716336, 252145420, 504290840, 1008581680]

約数ペア:

[(1, 1008581680), (2, 504290840), (4, 252145420), (5, 201716336), (8, 126072710), (10, 100858168), (16, 63036355), (20, 50429084), (40, 25214542), (80, 12607271)]