128663000

素因数分解:

$2^3\times 5^3\times {\mathrm{128663}}^1$

素因数の和:128684

約数の個数: 32

約数和(自身を含む): 301073760

約数和(自身を除く): 172410760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 128663, 257326, 514652, 643315, 1029304, 1286630, 2573260, 3216575, 5146520, 6433150, 12866300, 16082875, 25732600, 32165750, 64331500, 128663000]

約数ペア:

[(1, 128663000), (2, 64331500), (4, 32165750), (5, 25732600), (8, 16082875), (10, 12866300), (20, 6433150), (25, 5146520), (40, 3216575), (50, 2573260), (100, 1286630), (125, 1029304), (200, 643315), (250, 514652), (500, 257326), (1000, 128663)]