55138580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{393847}}^1$

素因数の和:393863

約数の個数: 24

約数和(自身を含む): 132332928

約数和(自身を除く): 77194348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 393847, 787694, 1575388, 1969235, 2756929, 3938470, 5513858, 7876940, 11027716, 13784645, 27569290, 55138580]

約数ペア:

[(1, 55138580), (2, 27569290), (4, 13784645), (5, 11027716), (7, 7876940), (10, 5513858), (14, 3938470), (20, 2756929), (28, 1969235), (35, 1575388), (70, 787694), (140, 393847)]