10131280

素因数分解:

$2^4\times 5^1\times {\mathrm{126641}}^1$

素因数の和:126654

約数の個数: 20

約数和(自身を含む): 23555412

約数和(自身を除く): 13424132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 126641, 253282, 506564, 633205, 1013128, 1266410, 2026256, 2532820, 5065640, 10131280]

約数ペア:

[(1, 10131280), (2, 5065640), (4, 2532820), (5, 2026256), (8, 1266410), (10, 1013128), (16, 633205), (20, 506564), (40, 253282), (80, 126641)]