2108780

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1087}}^1$

素因数の和:1193

約数の個数: 24

約数和(自身を含む): 4478208

約数和(自身を除く): 2369428

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1087, 1940, 2174, 4348, 5435, 10870, 21740, 105439, 210878, 421756, 527195, 1054390, 2108780]

約数ペア:

[(1, 2108780), (2, 1054390), (4, 527195), (5, 421756), (10, 210878), (20, 105439), (97, 21740), (194, 10870), (388, 5435), (485, 4348), (970, 2174), (1087, 1940)]