12625981520

素因数分解:

$2^4\times 5^1\times {\mathrm{157824769}}^1$

素因数の和:157824782

約数の個数: 20

約数和(自身を含む): 29355407220

約数和(自身を除く): 16729425700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157824769, 315649538, 631299076, 789123845, 1262598152, 1578247690, 2525196304, 3156495380, 6312990760, 12625981520]

約数ペア:

[(1, 12625981520), (2, 6312990760), (4, 3156495380), (5, 2525196304), (8, 1578247690), (10, 1262598152), (16, 789123845), (20, 631299076), (40, 315649538), (80, 157824769)]