12972160

素因数分解:

$2^7\times 5^1\times {\mathrm{20269}}^1$

素因数の和:20288

約数の個数: 32

約数和(自身を含む): 31013100

約数和(自身を除く): 18040940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 20269, 40538, 81076, 101345, 162152, 202690, 324304, 405380, 648608, 810760, 1297216, 1621520, 2594432, 3243040, 6486080, 12972160]

約数ペア:

[(1, 12972160), (2, 6486080), (4, 3243040), (5, 2594432), (8, 1621520), (10, 1297216), (16, 810760), (20, 648608), (32, 405380), (40, 324304), (64, 202690), (80, 162152), (128, 101345), (160, 81076), (320, 40538), (640, 20269)]