27986960

素因数分解:

$2^4\times 5^1\times {\mathrm{349837}}^1$

素因数の和:349850

約数の個数: 20

約数和(自身を含む): 65069868

約数和(自身を除く): 37082908

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349837, 699674, 1399348, 1749185, 2798696, 3498370, 5597392, 6996740, 13993480, 27986960]

約数ペア:

[(1, 27986960), (2, 13993480), (4, 6996740), (5, 5597392), (8, 3498370), (10, 2798696), (16, 1749185), (20, 1399348), (40, 699674), (80, 349837)]