64664180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{461887}}^1$

素因数の和:461903

約数の個数: 24

約数和(自身を含む): 155194368

約数和(自身を除く): 90530188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 461887, 923774, 1847548, 2309435, 3233209, 4618870, 6466418, 9237740, 12932836, 16166045, 32332090, 64664180]

約数ペア:

[(1, 64664180), (2, 32332090), (4, 16166045), (5, 12932836), (7, 9237740), (10, 6466418), (14, 4618870), (20, 3233209), (28, 2309435), (35, 1847548), (70, 923774), (140, 461887)]