788297980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{961339}}^1$

素因数の和:961389

約数の個数: 24

約数和(自身を含む): 1695803760

約数和(自身を除く): 907505780

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 961339, 1922678, 3845356, 4806695, 9613390, 19226780, 39414899, 78829798, 157659596, 197074495, 394148990, 788297980]

約数ペア:

[(1, 788297980), (2, 394148990), (4, 197074495), (5, 157659596), (10, 78829798), (20, 39414899), (41, 19226780), (82, 9613390), (164, 4806695), (205, 3845356), (410, 1922678), (820, 961339)]