2208365540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1555187}}^1$

素因数の和:1555267

約数の個数: 24

約数和(自身を含む): 4702888512

約数和(自身を除く): 2494522972

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1555187, 3110374, 6220748, 7775935, 15551870, 31103740, 110418277, 220836554, 441673108, 552091385, 1104182770, 2208365540]

約数ペア:

[(1, 2208365540), (2, 1104182770), (4, 552091385), (5, 441673108), (10, 220836554), (20, 110418277), (71, 31103740), (142, 15551870), (284, 7775935), (355, 6220748), (710, 3110374), (1420, 1555187)]