12217520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{21817}}^1$

素因数の和:21837

約数の個数: 40

約数和(自身を含む): 32465184

約数和(自身を除く): 20247664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 21817, 43634, 87268, 109085, 152719, 174536, 218170, 305438, 349072, 436340, 610876, 763595, 872680, 1221752, 1527190, 1745360, 2443504, 3054380, 6108760, 12217520]

約数ペア:

[(1, 12217520), (2, 6108760), (4, 3054380), (5, 2443504), (7, 1745360), (8, 1527190), (10, 1221752), (14, 872680), (16, 763595), (20, 610876), (28, 436340), (35, 349072), (40, 305438), (56, 218170), (70, 174536), (80, 152719), (112, 109085), (140, 87268), (280, 43634), (560, 21817)]