99780580

素因数分解:

$2^2\times 5^1\times {\mathrm{4989029}}^1$

素因数の和:4989038

約数の個数: 12

約数和(自身を含む): 209539260

約数和(自身を除く): 109758680

約数列:

[1, 2, 4, 5, 10, 20, 4989029, 9978058, 19956116, 24945145, 49890290, 99780580]

約数ペア:

[(1, 99780580), (2, 49890290), (4, 24945145), (5, 19956116), (10, 9978058), (20, 4989029)]