49387820

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{12409}}^1$

素因数の和:12617

約数の個数: 24

約数和(自身を含む): 104244000

約数和(自身を除く): 54856180

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 12409, 24818, 49636, 62045, 124090, 248180, 2469391, 4938782, 9877564, 12346955, 24693910, 49387820]

約数ペア:

[(1, 49387820), (2, 24693910), (4, 12346955), (5, 9877564), (10, 4938782), (20, 2469391), (199, 248180), (398, 124090), (796, 62045), (995, 49636), (1990, 24818), (3980, 12409)]