30800080

素因数分解:

$2^4\times 5^1\times {\mathrm{385001}}^1$

素因数の和:385014

約数の個数: 20

約数和(自身を含む): 71610372

約数和(自身を除く): 40810292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 385001, 770002, 1540004, 1925005, 3080008, 3850010, 6160016, 7700020, 15400040, 30800080]

約数ペア:

[(1, 30800080), (2, 15400040), (4, 7700020), (5, 6160016), (8, 3850010), (10, 3080008), (16, 1925005), (20, 1540004), (40, 770002), (80, 385001)]