12226820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6869}}^1$

素因数の和:6967

約数の個数: 24

約数和(自身を含む): 25968600

約数和(自身を除く): 13741780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 6869, 13738, 27476, 34345, 68690, 137380, 611341, 1222682, 2445364, 3056705, 6113410, 12226820]

約数ペア:

[(1, 12226820), (2, 6113410), (4, 3056705), (5, 2445364), (10, 1222682), (20, 611341), (89, 137380), (178, 68690), (356, 34345), (445, 27476), (890, 13738), (1780, 6869)]