12790594580

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{994603}}^1$

素因数の和:995255

約数の個数: 24

約数和(自身を含む): 26902048992

約数和(自身を除く): 14111454412

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 6430, 12860, 994603, 1989206, 3978412, 4973015, 9946030, 19892060, 639529729, 1279059458, 2558118916, 3197648645, 6395297290, 12790594580]

約数ペア:

[(1, 12790594580), (2, 6395297290), (4, 3197648645), (5, 2558118916), (10, 1279059458), (20, 639529729), (643, 19892060), (1286, 9946030), (2572, 4973015), (3215, 3978412), (6430, 1989206), (12860, 994603)]