39842740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{284591}}^1$

素因数の和:284607

約数の個数: 24

約数和(自身を含む): 95622912

約数和(自身を除く): 55780172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 284591, 569182, 1138364, 1422955, 1992137, 2845910, 3984274, 5691820, 7968548, 9960685, 19921370, 39842740]

約数ペア:

[(1, 39842740), (2, 19921370), (4, 9960685), (5, 7968548), (7, 5691820), (10, 3984274), (14, 2845910), (20, 1992137), (28, 1422955), (35, 1138364), (70, 569182), (140, 284591)]