28990760

素因数分解:

$2^3\times 5^1\times {\mathrm{724769}}^1$

素因数の和:724780

約数の個数: 16

約数和(自身を含む): 65229300

約数和(自身を除く): 36238540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 724769, 1449538, 2899076, 3623845, 5798152, 7247690, 14495380, 28990760]

約数ペア:

[(1, 28990760), (2, 14495380), (4, 7247690), (5, 5798152), (8, 3623845), (10, 2899076), (20, 1449538), (40, 724769)]