12782960

素因数分解:

$2^4\times 5^1\times {\mathrm{159787}}^1$

素因数の和:159800

約数の個数: 20

約数和(自身を含む): 29720568

約数和(自身を除く): 16937608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 159787, 319574, 639148, 798935, 1278296, 1597870, 2556592, 3195740, 6391480, 12782960]

約数ペア:

[(1, 12782960), (2, 6391480), (4, 3195740), (5, 2556592), (8, 1597870), (10, 1278296), (16, 798935), (20, 639148), (40, 319574), (80, 159787)]