16508080

素因数分解:

$2^4\times 5^1\times {\mathrm{206351}}^1$

素因数の和:206364

約数の個数: 20

約数和(自身を含む): 38381472

約数和(自身を除く): 21873392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 206351, 412702, 825404, 1031755, 1650808, 2063510, 3301616, 4127020, 8254040, 16508080]

約数ペア:

[(1, 16508080), (2, 8254040), (4, 4127020), (5, 3301616), (8, 2063510), (10, 1650808), (16, 1031755), (20, 825404), (40, 412702), (80, 206351)]