42940400

素因数分解:

$2^4\times 5^2\times {\mathrm{107351}}^1$

素因数の和:107369

約数の個数: 30

約数和(自身を含む): 103165272

約数和(自身を除く): 60224872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 107351, 214702, 429404, 536755, 858808, 1073510, 1717616, 2147020, 2683775, 4294040, 5367550, 8588080, 10735100, 21470200, 42940400]

約数ペア:

[(1, 42940400), (2, 21470200), (4, 10735100), (5, 8588080), (8, 5367550), (10, 4294040), (16, 2683775), (20, 2147020), (25, 1717616), (40, 1073510), (50, 858808), (80, 536755), (100, 429404), (200, 214702), (400, 107351)]