2078352020

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{522199}}^1$

素因数の和:522407

約数の個数: 24

約数和(自身を含む): 4386480000

約数和(自身を除く): 2308127980

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 522199, 1044398, 2088796, 2610995, 5221990, 10443980, 103917601, 207835202, 415670404, 519588005, 1039176010, 2078352020]

約数ペア:

[(1, 2078352020), (2, 1039176010), (4, 519588005), (5, 415670404), (10, 207835202), (20, 103917601), (199, 10443980), (398, 5221990), (796, 2610995), (995, 2088796), (1990, 1044398), (3980, 522199)]