27061520

素因数分解:

$2^4\times 5^1\times {\mathrm{338269}}^1$

素因数の和:338282

約数の個数: 20

約数和(自身を含む): 62918220

約数和(自身を除く): 35856700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 338269, 676538, 1353076, 1691345, 2706152, 3382690, 5412304, 6765380, 13530760, 27061520]

約数ペア:

[(1, 27061520), (2, 13530760), (4, 6765380), (5, 5412304), (8, 3382690), (10, 2706152), (16, 1691345), (20, 1353076), (40, 676538), (80, 338269)]