27491920

素因数分解:

$2^4\times 5^1\times {\mathrm{343649}}^1$

素因数の和:343662

約数の個数: 20

約数和(自身を含む): 63918900

約数和(自身を除く): 36426980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 343649, 687298, 1374596, 1718245, 2749192, 3436490, 5498384, 6872980, 13745960, 27491920]

約数ペア:

[(1, 27491920), (2, 13745960), (4, 6872980), (5, 5498384), (8, 3436490), (10, 2749192), (16, 1718245), (20, 1374596), (40, 687298), (80, 343649)]