28839040

素因数分解:

$2^7\times 5^1\times {\mathrm{45061}}^1$

素因数の和:45080

約数の個数: 32

約数和(自身を含む): 68944860

約数和(自身を除く): 40105820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 45061, 90122, 180244, 225305, 360488, 450610, 720976, 901220, 1441952, 1802440, 2883904, 3604880, 5767808, 7209760, 14419520, 28839040]

約数ペア:

[(1, 28839040), (2, 14419520), (4, 7209760), (5, 5767808), (8, 3604880), (10, 2883904), (16, 1802440), (20, 1441952), (32, 901220), (40, 720976), (64, 450610), (80, 360488), (128, 225305), (160, 180244), (320, 90122), (640, 45061)]