42780685

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{1123}}^1$

素因数の和:1548

約数の個数: 16

約数和(自身を含む): 54221760

約数和(自身を除く): 11441075

約数列:

[1, 5, 19, 95, 401, 1123, 2005, 5615, 7619, 21337, 38095, 106685, 450323, 2251615, 8556137, 42780685]

約数ペア:

[(1, 42780685), (5, 8556137), (19, 2251615), (95, 450323), (401, 106685), (1123, 38095), (2005, 21337), (5615, 7619)]