2488400

素因数分解:

$2^4\times 5^2\times {\mathrm{6221}}^1$

素因数の和:6239

約数の個数: 30

約数和(自身を含む): 5979342

約数和(自身を除く): 3490942

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 6221, 12442, 24884, 31105, 49768, 62210, 99536, 124420, 155525, 248840, 311050, 497680, 622100, 1244200, 2488400]

約数ペア:

[(1, 2488400), (2, 1244200), (4, 622100), (5, 497680), (8, 311050), (10, 248840), (16, 155525), (20, 124420), (25, 99536), (40, 62210), (50, 49768), (80, 31105), (100, 24884), (200, 12442), (400, 6221)]