2051279740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2385209}}^1$

素因数の和:2385261

約数の個数: 24

約数和(自身を含む): 4407868080

約数和(自身を除く): 2356588340

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2385209, 4770418, 9540836, 11926045, 23852090, 47704180, 102563987, 205127974, 410255948, 512819935, 1025639870, 2051279740]

約数ペア:

[(1, 2051279740), (2, 1025639870), (4, 512819935), (5, 410255948), (10, 205127974), (20, 102563987), (43, 47704180), (86, 23852090), (172, 11926045), (215, 9540836), (430, 4770418), (860, 2385209)]