20088400

素因数分解:

$2^4\times 5^2\times {\mathrm{50221}}^1$

素因数の和:50239

約数の個数: 30

約数和(自身を含む): 48263342

約数和(自身を除く): 28174942

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 50221, 100442, 200884, 251105, 401768, 502210, 803536, 1004420, 1255525, 2008840, 2511050, 4017680, 5022100, 10044200, 20088400]

約数ペア:

[(1, 20088400), (2, 10044200), (4, 5022100), (5, 4017680), (8, 2511050), (10, 2008840), (16, 1255525), (20, 1004420), (25, 803536), (40, 502210), (50, 401768), (80, 251105), (100, 200884), (200, 100442), (400, 50221)]