12934780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9109}}^1$

素因数の和:9189

約数の個数: 24

約数和(自身を含む): 27548640

約数和(自身を除く): 14613860

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 9109, 18218, 36436, 45545, 91090, 182180, 646739, 1293478, 2586956, 3233695, 6467390, 12934780]

約数ペア:

[(1, 12934780), (2, 6467390), (4, 3233695), (5, 2586956), (10, 1293478), (20, 646739), (71, 182180), (142, 91090), (284, 45545), (355, 36436), (710, 18218), (1420, 9109)]