69628760

素因数分解:

$2^3\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{1361}}^1$

素因数の和:2651

約数の個数: 32

約数和(自身を含む): 156902400

約数和(自身を除く): 87273640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1279, 1361, 2558, 2722, 5116, 5444, 6395, 6805, 10232, 10888, 12790, 13610, 25580, 27220, 51160, 54440, 1740719, 3481438, 6962876, 8703595, 13925752, 17407190, 34814380, 69628760]

約数ペア:

[(1, 69628760), (2, 34814380), (4, 17407190), (5, 13925752), (8, 8703595), (10, 6962876), (20, 3481438), (40, 1740719), (1279, 54440), (1361, 51160), (2558, 27220), (2722, 25580), (5116, 13610), (5444, 12790), (6395, 10888), (6805, 10232)]