200818580

素因数分解:

$2^2\times 5^1\times {\mathrm{10040929}}^1$

素因数の和:10040938

約数の個数: 12

約数和(自身を含む): 421719060

約数和(自身を除く): 220900480

約数列:

[1, 2, 4, 5, 10, 20, 10040929, 20081858, 40163716, 50204645, 100409290, 200818580]

約数ペア:

[(1, 200818580), (2, 100409290), (4, 50204645), (5, 40163716), (10, 20081858), (20, 10040929)]