11221480

素因数分解:

$2^3\times 5^1\times {\mathrm{280537}}^1$

素因数の和:280548

約数の個数: 16

約数和(自身を含む): 25248420

約数和(自身を除く): 14026940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 280537, 561074, 1122148, 1402685, 2244296, 2805370, 5610740, 11221480]

約数ペア:

[(1, 11221480), (2, 5610740), (4, 2805370), (5, 2244296), (8, 1402685), (10, 1122148), (20, 561074), (40, 280537)]