80566396

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{20959}}^1$

素因数の和:21025

約数の個数: 18

約数和(自身を含む): 145692960

約数和(自身を除く): 65126564

約数列:

[1, 2, 4, 31, 62, 124, 961, 1922, 3844, 20959, 41918, 83836, 649729, 1299458, 2598916, 20141599, 40283198, 80566396]

約数ペア:

[(1, 80566396), (2, 40283198), (4, 20141599), (31, 2598916), (62, 1299458), (124, 649729), (961, 83836), (1922, 41918), (3844, 20959)]