2051209640

素因数分解:

$2^3\times 5^1\times {\mathrm{51280241}}^1$

素因数の和:51280252

約数の個数: 16

約数和(自身を含む): 4615221780

約数和(自身を除く): 2564012140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 51280241, 102560482, 205120964, 256401205, 410241928, 512802410, 1025604820, 2051209640]

約数ペア:

[(1, 2051209640), (2, 1025604820), (4, 512802410), (5, 410241928), (8, 256401205), (10, 205120964), (20, 102560482), (40, 51280241)]