12806020

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2551}}^1$

素因数の和:2811

約数の個数: 24

約数和(自身を含む): 27010368

約数和(自身を除く): 14204348

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 2551, 5020, 5102, 10204, 12755, 25510, 51020, 640301, 1280602, 2561204, 3201505, 6403010, 12806020]

約数ペア:

[(1, 12806020), (2, 6403010), (4, 3201505), (5, 2561204), (10, 1280602), (20, 640301), (251, 51020), (502, 25510), (1004, 12755), (1255, 10204), (2510, 5102), (2551, 5020)]