56551820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1093}}^1$

素因数の和:1314

約数の個数: 48

約数和(自身を含む): 128654400

約数和(自身を除く): 72102580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1093, 1990, 2186, 2587, 3980, 4372, 5174, 5465, 10348, 10930, 12935, 14209, 21860, 25870, 28418, 51740, 56836, 71045, 142090, 217507, 284180, 435014, 870028, 1087535, 2175070, 2827591, 4350140, 5655182, 11310364, 14137955, 28275910, 56551820]

約数ペア:

[(1, 56551820), (2, 28275910), (4, 14137955), (5, 11310364), (10, 5655182), (13, 4350140), (20, 2827591), (26, 2175070), (52, 1087535), (65, 870028), (130, 435014), (199, 284180), (260, 217507), (398, 142090), (796, 71045), (995, 56836), (1093, 51740), (1990, 28418), (2186, 25870), (2587, 21860), (3980, 14209), (4372, 12935), (5174, 10930), (5465, 10348)]