6840640

素因数分解:

$2^6\times 5^1\times {\mathrm{21377}}^1$

素因数の和:21394

約数の個数: 28

約数和(自身を含む): 16290036

約数和(自身を除く): 9449396

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 21377, 42754, 85508, 106885, 171016, 213770, 342032, 427540, 684064, 855080, 1368128, 1710160, 3420320, 6840640]

約数ペア:

[(1, 6840640), (2, 3420320), (4, 1710160), (5, 1368128), (8, 855080), (10, 684064), (16, 427540), (20, 342032), (32, 213770), (40, 171016), (64, 106885), (80, 85508), (160, 42754), (320, 21377)]