25248640

素因数分解:

$2^7\times 5^1\times {\mathrm{39451}}^1$

素因数の和:39470

約数の個数: 32

約数和(自身を含む): 60361560

約数和(自身を除く): 35112920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 39451, 78902, 157804, 197255, 315608, 394510, 631216, 789020, 1262432, 1578040, 2524864, 3156080, 5049728, 6312160, 12624320, 25248640]

約数ペア:

[(1, 25248640), (2, 12624320), (4, 6312160), (5, 5049728), (8, 3156080), (10, 2524864), (16, 1578040), (20, 1262432), (32, 789020), (40, 631216), (64, 394510), (80, 315608), (128, 197255), (160, 157804), (320, 78902), (640, 39451)]