54716740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{541}}^1$

素因数の和:952

約数の個数: 48

約数和(自身を含む): 124291440

約数和(自身を除く): 69574700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 389, 541, 778, 1082, 1556, 1945, 2164, 2705, 3890, 5057, 5410, 7033, 7780, 10114, 10820, 14066, 20228, 25285, 28132, 35165, 50570, 70330, 101140, 140660, 210449, 420898, 841796, 1052245, 2104490, 2735837, 4208980, 5471674, 10943348, 13679185, 27358370, 54716740]

約数ペア:

[(1, 54716740), (2, 27358370), (4, 13679185), (5, 10943348), (10, 5471674), (13, 4208980), (20, 2735837), (26, 2104490), (52, 1052245), (65, 841796), (130, 420898), (260, 210449), (389, 140660), (541, 101140), (778, 70330), (1082, 50570), (1556, 35165), (1945, 28132), (2164, 25285), (2705, 20228), (3890, 14066), (5057, 10820), (5410, 10114), (7033, 7780)]