69080780

素因数分解:

$2^2\times 5^1\times {\mathrm{859}}^1\times {\mathrm{4021}}^1$

素因数の和:4889

約数の個数: 24

約数和(自身を含む): 145274640

約数和(自身を除く): 76193860

約数列:

[1, 2, 4, 5, 10, 20, 859, 1718, 3436, 4021, 4295, 8042, 8590, 16084, 17180, 20105, 40210, 80420, 3454039, 6908078, 13816156, 17270195, 34540390, 69080780]

約数ペア:

[(1, 69080780), (2, 34540390), (4, 17270195), (5, 13816156), (10, 6908078), (20, 3454039), (859, 80420), (1718, 40210), (3436, 20105), (4021, 17180), (4295, 16084), (8042, 8590)]