27580720

素因数分解:

$2^4\times 5^1\times {\mathrm{344759}}^1$

素因数の和:344772

約数の個数: 20

約数和(自身を含む): 64125360

約数和(自身を除く): 36544640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 344759, 689518, 1379036, 1723795, 2758072, 3447590, 5516144, 6895180, 13790360, 27580720]

約数ペア:

[(1, 27580720), (2, 13790360), (4, 6895180), (5, 5516144), (8, 3447590), (10, 2758072), (16, 1723795), (20, 1379036), (40, 689518), (80, 344759)]