80966540

素因数分解:

$2^2\times 5^1\times {\mathrm{1033}}^1\times {\mathrm{3919}}^1$

素因数の和:4961

約数の個数: 24

約数和(自身を含む): 170237760

約数和(自身を除く): 89271220

約数列:

[1, 2, 4, 5, 10, 20, 1033, 2066, 3919, 4132, 5165, 7838, 10330, 15676, 19595, 20660, 39190, 78380, 4048327, 8096654, 16193308, 20241635, 40483270, 80966540]

約数ペア:

[(1, 80966540), (2, 40483270), (4, 20241635), (5, 16193308), (10, 8096654), (20, 4048327), (1033, 78380), (2066, 39190), (3919, 20660), (4132, 19595), (5165, 15676), (7838, 10330)]