194960

素因数分解:

$2^4\times 5^1\times {\mathrm{2437}}^1$

素因数の和:2450

約数の個数: 20

約数和(自身を含む): 453468

約数和(自身を除く): 258508

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2437, 4874, 9748, 12185, 19496, 24370, 38992, 48740, 97480, 194960]

約数ペア:

[(1, 194960), (2, 97480), (4, 48740), (5, 38992), (8, 24370), (10, 19496), (16, 12185), (20, 9748), (40, 4874), (80, 2437)]