2051226680

素因数分解:

$2^3\times 5^1\times {\mathrm{51280667}}^1$

素因数の和:51280678

約数の個数: 16

約数和(自身を含む): 4615260120

約数和(自身を除く): 2564033440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 51280667, 102561334, 205122668, 256403335, 410245336, 512806670, 1025613340, 2051226680]

約数ペア:

[(1, 2051226680), (2, 1025613340), (4, 512806670), (5, 410245336), (8, 256403335), (10, 205122668), (20, 102561334), (40, 51280667)]