2051216380

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{515381}}^1$

素因数の和:515589

約数の個数: 24

約数和(自身を含む): 4329208800

約数和(自身を除く): 2277992420

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 515381, 1030762, 2061524, 2576905, 5153810, 10307620, 102560819, 205121638, 410243276, 512804095, 1025608190, 2051216380]

約数ペア:

[(1, 2051216380), (2, 1025608190), (4, 512804095), (5, 410243276), (10, 205121638), (20, 102560819), (199, 10307620), (398, 5153810), (796, 2576905), (995, 2061524), (1990, 1030762), (3980, 515381)]