25481590

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{28631}}^1$

素因数の和:28727

約数の個数: 16

約数和(自身を含む): 46383840

約数和(自身を除く): 20902250

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 28631, 57262, 143155, 286310, 2548159, 5096318, 12740795, 25481590]

約数ペア:

[(1, 25481590), (2, 12740795), (5, 5096318), (10, 2548159), (89, 286310), (178, 143155), (445, 57262), (890, 28631)]