1245520

素因数分解:

$2^4\times 5^1\times {\mathrm{15569}}^1$

素因数の和:15582

約数の個数: 20

約数和(自身を含む): 2896020

約数和(自身を除く): 1650500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15569, 31138, 62276, 77845, 124552, 155690, 249104, 311380, 622760, 1245520]

約数ペア:

[(1, 1245520), (2, 622760), (4, 311380), (5, 249104), (8, 155690), (10, 124552), (16, 77845), (20, 62276), (40, 31138), (80, 15569)]