1271135620

素因数分解:

$2^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{65053}}^1$

素因数の和:66039

約数の個数: 24

約数和(自身を含む): 2672158104

約数和(自身を除く): 1401022484

約数列:

[1, 2, 4, 5, 10, 20, 977, 1954, 3908, 4885, 9770, 19540, 65053, 130106, 260212, 325265, 650530, 1301060, 63556781, 127113562, 254227124, 317783905, 635567810, 1271135620]

約数ペア:

[(1, 1271135620), (2, 635567810), (4, 317783905), (5, 254227124), (10, 127113562), (20, 63556781), (977, 1301060), (1954, 650530), (3908, 325265), (4885, 260212), (9770, 130106), (19540, 65053)]