49919740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191999}}^1$

素因数の和:192021

約数の個数: 24

約数和(自身を含む): 112896000

約数和(自身を除く): 62976260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 191999, 383998, 767996, 959995, 1919990, 2495987, 3839980, 4991974, 9983948, 12479935, 24959870, 49919740]

約数ペア:

[(1, 49919740), (2, 24959870), (4, 12479935), (5, 9983948), (10, 4991974), (13, 3839980), (20, 2495987), (26, 1919990), (52, 959995), (65, 767996), (130, 383998), (260, 191999)]