137208640

素因数分解:

$2^6\times 5^1\times {\mathrm{428777}}^1$

素因数の和:428794

約数の個数: 28

約数和(自身を含む): 326728836

約数和(自身を除く): 189520196

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 428777, 857554, 1715108, 2143885, 3430216, 4287770, 6860432, 8575540, 13720864, 17151080, 27441728, 34302160, 68604320, 137208640]

約数ペア:

[(1, 137208640), (2, 68604320), (4, 34302160), (5, 27441728), (8, 17151080), (10, 13720864), (16, 8575540), (20, 6860432), (32, 4287770), (40, 3430216), (64, 2143885), (80, 1715108), (160, 857554), (320, 428777)]