51465200

素因数分解:

$2^4\times 5^2\times {\mathrm{128663}}^1$

素因数の和:128681

約数の個数: 30

約数和(自身を含む): 123646104

約数和(自身を除く): 72180904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 128663, 257326, 514652, 643315, 1029304, 1286630, 2058608, 2573260, 3216575, 5146520, 6433150, 10293040, 12866300, 25732600, 51465200]

約数ペア:

[(1, 51465200), (2, 25732600), (4, 12866300), (5, 10293040), (8, 6433150), (10, 5146520), (16, 3216575), (20, 2573260), (25, 2058608), (40, 1286630), (50, 1029304), (80, 643315), (100, 514652), (200, 257326), (400, 128663)]