12668080

素因数分解:

$2^4\times 5^1\times {\mathrm{158351}}^1$

素因数の和:158364

約数の個数: 20

約数和(自身を含む): 29453472

約数和(自身を除く): 16785392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 158351, 316702, 633404, 791755, 1266808, 1583510, 2533616, 3167020, 6334040, 12668080]

約数ペア:

[(1, 12668080), (2, 6334040), (4, 3167020), (5, 2533616), (8, 1583510), (10, 1266808), (16, 791755), (20, 633404), (40, 316702), (80, 158351)]