54378740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1051}}^1$

素因数の和:1272

約数の個数: 48

約数和(自身を含む): 123715200

約数和(自身を除く): 69336460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1051, 1990, 2102, 2587, 3980, 4204, 5174, 5255, 10348, 10510, 12935, 13663, 21020, 25870, 27326, 51740, 54652, 68315, 136630, 209149, 273260, 418298, 836596, 1045745, 2091490, 2718937, 4182980, 5437874, 10875748, 13594685, 27189370, 54378740]

約数ペア:

[(1, 54378740), (2, 27189370), (4, 13594685), (5, 10875748), (10, 5437874), (13, 4182980), (20, 2718937), (26, 2091490), (52, 1045745), (65, 836596), (130, 418298), (199, 273260), (260, 209149), (398, 136630), (796, 68315), (995, 54652), (1051, 51740), (1990, 27326), (2102, 25870), (2587, 21020), (3980, 13663), (4204, 12935), (5174, 10510), (5255, 10348)]