2080302220

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{522689}}^1$

素因数の和:522897

約数の個数: 24

約数和(自身を含む): 4390596000

約数和(自身を除く): 2310293780

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 522689, 1045378, 2090756, 2613445, 5226890, 10453780, 104015111, 208030222, 416060444, 520075555, 1040151110, 2080302220]

約数ペア:

[(1, 2080302220), (2, 1040151110), (4, 520075555), (5, 416060444), (10, 208030222), (20, 104015111), (199, 10453780), (398, 5226890), (796, 2613445), (995, 2090756), (1990, 1045378), (3980, 522689)]