68071280

素因数分解:

$2^4\times 5^1\times {\mathrm{850891}}^1$

素因数の和:850904

約数の個数: 20

約数和(自身を含む): 158265912

約数和(自身を除く): 90194632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 850891, 1701782, 3403564, 4254455, 6807128, 8508910, 13614256, 17017820, 34035640, 68071280]

約数ペア:

[(1, 68071280), (2, 34035640), (4, 17017820), (5, 13614256), (8, 8508910), (10, 6807128), (16, 4254455), (20, 3403564), (40, 1701782), (80, 850891)]