86919220

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{21839}}^1$

素因数の和:22047

約数の個数: 24

約数和(自身を含む): 183456000

約数和(自身を除く): 96536780

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 21839, 43678, 87356, 109195, 218390, 436780, 4345961, 8691922, 17383844, 21729805, 43459610, 86919220]

約数ペア:

[(1, 86919220), (2, 43459610), (4, 21729805), (5, 17383844), (10, 8691922), (20, 4345961), (199, 436780), (398, 218390), (796, 109195), (995, 87356), (1990, 43678), (3980, 21839)]