2012124820

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{505559}}^1$

素因数の和:505767

約数の個数: 24

約数和(自身を含む): 4246704000

約数和(自身を除く): 2234579180

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 505559, 1011118, 2022236, 2527795, 5055590, 10111180, 100606241, 201212482, 402424964, 503031205, 1006062410, 2012124820]

約数ペア:

[(1, 2012124820), (2, 1006062410), (4, 503031205), (5, 402424964), (10, 201212482), (20, 100606241), (199, 10111180), (398, 5055590), (796, 2527795), (995, 2022236), (1990, 1011118), (3980, 505559)]