64807540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{462911}}^1$

素因数の和:462927

約数の個数: 24

約数和(自身を含む): 155538432

約数和(自身を除く): 90730892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 462911, 925822, 1851644, 2314555, 3240377, 4629110, 6480754, 9258220, 12961508, 16201885, 32403770, 64807540]

約数ペア:

[(1, 64807540), (2, 32403770), (4, 16201885), (5, 12961508), (7, 9258220), (10, 6480754), (14, 4629110), (20, 3240377), (28, 2314555), (35, 1851644), (70, 925822), (140, 462911)]