28142080

素因数分解:

$2^9\times 5^1\times {\mathrm{10993}}^1$

素因数の和:11016

約数の個数: 40

約数和(自身を含む): 67481172

約数和(自身を除く): 39339092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 10993, 21986, 43972, 54965, 87944, 109930, 175888, 219860, 351776, 439720, 703552, 879440, 1407104, 1758880, 2814208, 3517760, 5628416, 7035520, 14071040, 28142080]

約数ペア:

[(1, 28142080), (2, 14071040), (4, 7035520), (5, 5628416), (8, 3517760), (10, 2814208), (16, 1758880), (20, 1407104), (32, 879440), (40, 703552), (64, 439720), (80, 351776), (128, 219860), (160, 175888), (256, 109930), (320, 87944), (512, 54965), (640, 43972), (1280, 21986), (2560, 10993)]