8905340

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5003}}^1$

素因数の和:5101

約数の個数: 24

約数和(自身を含む): 18915120

約数和(自身を除く): 10009780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 5003, 10006, 20012, 25015, 50030, 100060, 445267, 890534, 1781068, 2226335, 4452670, 8905340]

約数ペア:

[(1, 8905340), (2, 4452670), (4, 2226335), (5, 1781068), (10, 890534), (20, 445267), (89, 100060), (178, 50030), (356, 25015), (445, 20012), (890, 10006), (1780, 5003)]