26449840

素因数分解:

$2^4\times 5^1\times {\mathrm{330623}}^1$

素因数の和:330636

約数の個数: 20

約数和(自身を含む): 61496064

約数和(自身を除く): 35046224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 330623, 661246, 1322492, 1653115, 2644984, 3306230, 5289968, 6612460, 13224920, 26449840]

約数ペア:

[(1, 26449840), (2, 13224920), (4, 6612460), (5, 5289968), (8, 3306230), (10, 2644984), (16, 1653115), (20, 1322492), (40, 661246), (80, 330623)]