6664400

素因数分解:

$2^4\times 5^2\times {\mathrm{16661}}^1$

素因数の和:16679

約数の個数: 30

約数和(自身を含む): 16012182

約数和(自身を除く): 9347782

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 16661, 33322, 66644, 83305, 133288, 166610, 266576, 333220, 416525, 666440, 833050, 1332880, 1666100, 3332200, 6664400]

約数ペア:

[(1, 6664400), (2, 3332200), (4, 1666100), (5, 1332880), (8, 833050), (10, 666440), (16, 416525), (20, 333220), (25, 266576), (40, 166610), (50, 133288), (80, 83305), (100, 66644), (200, 33322), (400, 16661)]