12696440

素因数分解:

$2^3\times 5^1\times {\mathrm{317411}}^1$

素因数の和:317422

約数の個数: 16

約数和(自身を含む): 28567080

約数和(自身を除く): 15870640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317411, 634822, 1269644, 1587055, 2539288, 3174110, 6348220, 12696440]

約数ペア:

[(1, 12696440), (2, 6348220), (4, 3174110), (5, 2539288), (8, 1587055), (10, 1269644), (20, 634822), (40, 317411)]