80506292

素因数分解:

$2^2\times {\mathrm{101}}^2\times {\mathrm{1973}}^1$

素因数の和:2179

約数の個数: 18

約数和(自身を含む): 142366854

約数和(自身を除く): 61860562

約数列:

[1, 2, 4, 101, 202, 404, 1973, 3946, 7892, 10201, 20402, 40804, 199273, 398546, 797092, 20126573, 40253146, 80506292]

約数ペア:

[(1, 80506292), (2, 40253146), (4, 20126573), (101, 797092), (202, 398546), (404, 199273), (1973, 40804), (3946, 20402), (7892, 10201)]