12966080

素因数分解:

$2^6\times 5^1\times {\mathrm{40519}}^1$

素因数の和:40536

約数の個数: 28

約数和(自身を含む): 30876240

約数和(自身を除く): 17910160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 40519, 81038, 162076, 202595, 324152, 405190, 648304, 810380, 1296608, 1620760, 2593216, 3241520, 6483040, 12966080]

約数ペア:

[(1, 12966080), (2, 6483040), (4, 3241520), (5, 2593216), (8, 1620760), (10, 1296608), (16, 810380), (20, 648304), (32, 405190), (40, 324152), (64, 202595), (80, 162076), (160, 81038), (320, 40519)]