38781520

素因数分解:

$2^4\times 5^1\times {\mathrm{484769}}^1$

素因数の和:484782

約数の個数: 20

約数和(自身を含む): 90167220

約数和(自身を除く): 51385700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 484769, 969538, 1939076, 2423845, 3878152, 4847690, 7756304, 9695380, 19390760, 38781520]

約数ペア:

[(1, 38781520), (2, 19390760), (4, 9695380), (5, 7756304), (8, 4847690), (10, 3878152), (16, 2423845), (20, 1939076), (40, 969538), (80, 484769)]