128669000

素因数分解:

$2^3\times 5^3\times {\mathrm{128669}}^1$

素因数の和:128690

約数の個数: 32

約数和(自身を含む): 301087800

約数和(自身を除く): 172418800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 128669, 257338, 514676, 643345, 1029352, 1286690, 2573380, 3216725, 5146760, 6433450, 12866900, 16083625, 25733800, 32167250, 64334500, 128669000]

約数ペア:

[(1, 128669000), (2, 64334500), (4, 32167250), (5, 25733800), (8, 16083625), (10, 12866900), (20, 6433450), (25, 5146760), (40, 3216725), (50, 2573380), (100, 1286690), (125, 1029352), (200, 643345), (250, 514676), (500, 257338), (1000, 128669)]