4080451220

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1025239}}^1$

素因数の和:1025447

約数の個数: 24

約数和(自身を含む): 8612016000

約数和(自身を除く): 4531564780

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 1025239, 2050478, 4100956, 5126195, 10252390, 20504780, 204022561, 408045122, 816090244, 1020112805, 2040225610, 4080451220]

約数ペア:

[(1, 4080451220), (2, 2040225610), (4, 1020112805), (5, 816090244), (10, 408045122), (20, 204022561), (199, 20504780), (398, 10252390), (796, 5126195), (995, 4100956), (1990, 2050478), (3980, 1025239)]