16990760

素因数分解:

$2^3\times 5^1\times {\mathrm{424769}}^1$

素因数の和:424780

約数の個数: 16

約数和(自身を含む): 38229300

約数和(自身を除く): 21238540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 424769, 849538, 1699076, 2123845, 3398152, 4247690, 8495380, 16990760]

約数ペア:

[(1, 16990760), (2, 8495380), (4, 4247690), (5, 3398152), (8, 2123845), (10, 1699076), (20, 849538), (40, 424769)]