12562820

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4519}}^1$

素因数の和:4667

約数の個数: 24

約数和(自身を含む): 26577600

約数和(自身を除く): 14014780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 4519, 9038, 18076, 22595, 45190, 90380, 628141, 1256282, 2512564, 3140705, 6281410, 12562820]

約数ペア:

[(1, 12562820), (2, 6281410), (4, 3140705), (5, 2512564), (10, 1256282), (20, 628141), (139, 90380), (278, 45190), (556, 22595), (695, 18076), (1390, 9038), (2780, 4519)]