20161084760

素因数分解:

$2^3\times 5^1\times {\mathrm{504027119}}^1$

素因数の和:504027130

約数の個数: 16

約数和(自身を含む): 45362440800

約数和(自身を除く): 25201356040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504027119, 1008054238, 2016108476, 2520135595, 4032216952, 5040271190, 10080542380, 20161084760]

約数ペア:

[(1, 20161084760), (2, 10080542380), (4, 5040271190), (5, 4032216952), (8, 2520135595), (10, 2016108476), (20, 1008054238), (40, 504027119)]