81611180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{582937}}^1$

素因数の和:582953

約数の個数: 24

約数和(自身を含む): 195867168

約数和(自身を除く): 114255988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 582937, 1165874, 2331748, 2914685, 4080559, 5829370, 8161118, 11658740, 16322236, 20402795, 40805590, 81611180]

約数ペア:

[(1, 81611180), (2, 40805590), (4, 20402795), (5, 16322236), (7, 11658740), (10, 8161118), (14, 5829370), (20, 4080559), (28, 2914685), (35, 2331748), (70, 1165874), (140, 582937)]