51843280

素因数分解:

$2^4\times 5^1\times {\mathrm{648041}}^1$

素因数の和:648054

約数の個数: 20

約数和(自身を含む): 120535812

約数和(自身を除く): 68692532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 648041, 1296082, 2592164, 3240205, 5184328, 6480410, 10368656, 12960820, 25921640, 51843280]

約数ペア:

[(1, 51843280), (2, 25921640), (4, 12960820), (5, 10368656), (8, 6480410), (10, 5184328), (16, 3240205), (20, 2592164), (40, 1296082), (80, 648041)]