8700280

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1093}}^1$

素因数の和:1303

約数の個数: 32

約数和(自身を含む): 19692000

約数和(自身を除く): 10991720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1093, 1592, 1990, 2186, 3980, 4372, 5465, 7960, 8744, 10930, 21860, 43720, 217507, 435014, 870028, 1087535, 1740056, 2175070, 4350140, 8700280]

約数ペア:

[(1, 8700280), (2, 4350140), (4, 2175070), (5, 1740056), (8, 1087535), (10, 870028), (20, 435014), (40, 217507), (199, 43720), (398, 21860), (796, 10930), (995, 8744), (1093, 7960), (1592, 5465), (1990, 4372), (2186, 3980)]