1285756444220

素因数分解:

$2^2\times 5^1\times {\mathrm{2309}}^1\times {\mathrm{27842279}}^1$

素因数の和:27844597

約数の個数: 24

約数和(自身を含む): 2701258005600

約数和(自身を除く): 1415501561380

約数列:

[1, 2, 4, 5, 10, 20, 2309, 4618, 9236, 11545, 23090, 46180, 27842279, 55684558, 111369116, 139211395, 278422790, 556845580, 64287822211, 128575644422, 257151288844, 321439111055, 642878222110, 1285756444220]

約数ペア:

[(1, 1285756444220), (2, 642878222110), (4, 321439111055), (5, 257151288844), (10, 128575644422), (20, 64287822211), (2309, 556845580), (4618, 278422790), (9236, 139211395), (11545, 111369116), (23090, 55684558), (46180, 27842279)]