78108080

素因数分解:

$2^4\times 5^1\times {\mathrm{976351}}^1$

素因数の和:976364

約数の個数: 20

約数和(自身を含む): 181601472

約数和(自身を除く): 103493392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 976351, 1952702, 3905404, 4881755, 7810808, 9763510, 15621616, 19527020, 39054040, 78108080]

約数ペア:

[(1, 78108080), (2, 39054040), (4, 19527020), (5, 15621616), (8, 9763510), (10, 7810808), (16, 4881755), (20, 3905404), (40, 1952702), (80, 976351)]