2839040

素因数分解:

$2^9\times 5^1\times {\mathrm{1109}}^1$

素因数の和:1132

約数の個数: 40

約数和(自身を含む): 6813180

約数和(自身を除く): 3974140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1109, 1280, 2218, 2560, 4436, 5545, 8872, 11090, 17744, 22180, 35488, 44360, 70976, 88720, 141952, 177440, 283904, 354880, 567808, 709760, 1419520, 2839040]

約数ペア:

[(1, 2839040), (2, 1419520), (4, 709760), (5, 567808), (8, 354880), (10, 283904), (16, 177440), (20, 141952), (32, 88720), (40, 70976), (64, 44360), (80, 35488), (128, 22180), (160, 17744), (256, 11090), (320, 8872), (512, 5545), (640, 4436), (1109, 2560), (1280, 2218)]