40815680

素因数分解:

$2^6\times 5^1\times {\mathrm{127549}}^1$

素因数の和:127566

約数の個数: 28

約数和(自身を含む): 97193100

約数和(自身を除く): 56377420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 127549, 255098, 510196, 637745, 1020392, 1275490, 2040784, 2550980, 4081568, 5101960, 8163136, 10203920, 20407840, 40815680]

約数ペア:

[(1, 40815680), (2, 20407840), (4, 10203920), (5, 8163136), (8, 5101960), (10, 4081568), (16, 2550980), (20, 2040784), (32, 1275490), (40, 1020392), (64, 637745), (80, 510196), (160, 255098), (320, 127549)]