2008124920

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{252277}}^1$

素因数の和:252487

約数の個数: 32

約数和(自身を含む): 4541004000

約数和(自身を除く): 2532879080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 252277, 504554, 1009108, 1261385, 2018216, 2522770, 5045540, 10091080, 50203123, 100406246, 200812492, 251015615, 401624984, 502031230, 1004062460, 2008124920]

約数ペア:

[(1, 2008124920), (2, 1004062460), (4, 502031230), (5, 401624984), (8, 251015615), (10, 200812492), (20, 100406246), (40, 50203123), (199, 10091080), (398, 5045540), (796, 2522770), (995, 2018216), (1592, 1261385), (1990, 1009108), (3980, 504554), (7960, 252277)]