211683280

素因数分解:

$2^4\times 5^1\times {\mathrm{2646041}}^1$

素因数の和:2646054

約数の個数: 20

約数和(自身を含む): 492163812

約数和(自身を除く): 280480532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2646041, 5292082, 10584164, 13230205, 21168328, 26460410, 42336656, 52920820, 105841640, 211683280]

約数ペア:

[(1, 211683280), (2, 105841640), (4, 52920820), (5, 42336656), (8, 26460410), (10, 21168328), (16, 13230205), (20, 10584164), (40, 5292082), (80, 2646041)]