51779740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{60209}}^1$

素因数の和:60261

約数の個数: 24

約数和(自身を含む): 111268080

約数和(自身を除く): 59488340

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 60209, 120418, 240836, 301045, 602090, 1204180, 2588987, 5177974, 10355948, 12944935, 25889870, 51779740]

約数ペア:

[(1, 51779740), (2, 25889870), (4, 12944935), (5, 10355948), (10, 5177974), (20, 2588987), (43, 1204180), (86, 602090), (172, 301045), (215, 240836), (430, 120418), (860, 60209)]