78812080

素因数分解:

$2^4\times 5^1\times {\mathrm{985151}}^1$

素因数の和:985164

約数の個数: 20

約数和(自身を含む): 183238272

約数和(自身を除く): 104426192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 985151, 1970302, 3940604, 4925755, 7881208, 9851510, 15762416, 19703020, 39406040, 78812080]

約数ペア:

[(1, 78812080), (2, 39406040), (4, 19703020), (5, 15762416), (8, 9851510), (10, 7881208), (16, 4925755), (20, 3940604), (40, 1970302), (80, 985151)]