13200080

素因数分解:

$2^4\times 5^1\times {\mathrm{165001}}^1$

素因数の和:165014

約数の個数: 20

約数和(自身を含む): 30690372

約数和(自身を除く): 17490292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 165001, 330002, 660004, 825005, 1320008, 1650010, 2640016, 3300020, 6600040, 13200080]

約数ペア:

[(1, 13200080), (2, 6600040), (4, 3300020), (5, 2640016), (8, 1650010), (10, 1320008), (16, 825005), (20, 660004), (40, 330002), (80, 165001)]