68771620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79967}}^1$

素因数の和:80019

約数の個数: 24

約数和(自身を含む): 147780864

約数和(自身を除く): 79009244

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 79967, 159934, 319868, 399835, 799670, 1599340, 3438581, 6877162, 13754324, 17192905, 34385810, 68771620]

約数ペア:

[(1, 68771620), (2, 34385810), (4, 17192905), (5, 13754324), (10, 6877162), (20, 3438581), (43, 1599340), (86, 799670), (172, 399835), (215, 319868), (430, 159934), (860, 79967)]