30828080

素因数分解:

$2^4\times 5^1\times {\mathrm{385351}}^1$

素因数の和:385364

約数の個数: 20

約数和(自身を含む): 71675472

約数和(自身を除く): 40847392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 385351, 770702, 1541404, 1926755, 3082808, 3853510, 6165616, 7707020, 15414040, 30828080]

約数ペア:

[(1, 30828080), (2, 15414040), (4, 7707020), (5, 6165616), (8, 3853510), (10, 3082808), (16, 1926755), (20, 1541404), (40, 770702), (80, 385351)]