54713260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{390809}}^1$

素因数の和:390825

約数の個数: 24

約数和(自身を含む): 131312160

約数和(自身を除く): 76598900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 390809, 781618, 1563236, 1954045, 2735663, 3908090, 5471326, 7816180, 10942652, 13678315, 27356630, 54713260]

約数ペア:

[(1, 54713260), (2, 27356630), (4, 13678315), (5, 10942652), (7, 7816180), (10, 5471326), (14, 3908090), (20, 2735663), (28, 1954045), (35, 1563236), (70, 781618), (140, 390809)]