6439040

素因数分解:

$2^7\times 5^1\times {\mathrm{10061}}^1$

素因数の和:10080

約数の個数: 32

約数和(自身を含む): 15394860

約数和(自身を除く): 8955820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 10061, 20122, 40244, 50305, 80488, 100610, 160976, 201220, 321952, 402440, 643904, 804880, 1287808, 1609760, 3219520, 6439040]

約数ペア:

[(1, 6439040), (2, 3219520), (4, 1609760), (5, 1287808), (8, 804880), (10, 643904), (16, 402440), (20, 321952), (32, 201220), (40, 160976), (64, 100610), (80, 80488), (128, 50305), (160, 40244), (320, 20122), (640, 10061)]