156967340

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{80911}}^1$

素因数の和:81017

約数の個数: 24

約数和(自身を含む): 333033792

約数和(自身を除く): 176066452

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 80911, 161822, 323644, 404555, 809110, 1618220, 7848367, 15696734, 31393468, 39241835, 78483670, 156967340]

約数ペア:

[(1, 156967340), (2, 78483670), (4, 39241835), (5, 31393468), (10, 15696734), (20, 7848367), (97, 1618220), (194, 809110), (388, 404555), (485, 323644), (970, 161822), (1940, 80911)]