204595880

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{25703}}^1$

素因数の和:25913

約数の個数: 32

約数和(自身を含む): 462672000

約数和(自身を除く): 258076120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 25703, 51406, 102812, 128515, 205624, 257030, 514060, 1028120, 5114897, 10229794, 20459588, 25574485, 40919176, 51148970, 102297940, 204595880]

約数ペア:

[(1, 204595880), (2, 102297940), (4, 51148970), (5, 40919176), (8, 25574485), (10, 20459588), (20, 10229794), (40, 5114897), (199, 1028120), (398, 514060), (796, 257030), (995, 205624), (1592, 128515), (1990, 102812), (3980, 51406), (7960, 25703)]