80954800

素因数分解:

$2^4\times 5^2\times {\mathrm{202387}}^1$

素因数の和:202405

約数の個数: 30

約数和(自身を含む): 194494868

約数和(自身を除く): 113540068

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 202387, 404774, 809548, 1011935, 1619096, 2023870, 3238192, 4047740, 5059675, 8095480, 10119350, 16190960, 20238700, 40477400, 80954800]

約数ペア:

[(1, 80954800), (2, 40477400), (4, 20238700), (5, 16190960), (8, 10119350), (10, 8095480), (16, 5059675), (20, 4047740), (25, 3238192), (40, 2023870), (50, 1619096), (80, 1011935), (100, 809548), (200, 404774), (400, 202387)]