25125640

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4519}}^1$

素因数の和:4669

約数の個数: 32

約数和(自身を含む): 56952000

約数和(自身を除く): 31826360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 4519, 5560, 9038, 18076, 22595, 36152, 45190, 90380, 180760, 628141, 1256282, 2512564, 3140705, 5025128, 6281410, 12562820, 25125640]

約数ペア:

[(1, 25125640), (2, 12562820), (4, 6281410), (5, 5025128), (8, 3140705), (10, 2512564), (20, 1256282), (40, 628141), (139, 180760), (278, 90380), (556, 45190), (695, 36152), (1112, 22595), (1390, 18076), (2780, 9038), (4519, 5560)]