28702720

素因数分解:

$2^{11}\times 5^1\times {\mathrm{2803}}^1$

素因数の和:2830

約数の個数: 48

約数和(自身を含む): 68894280

約数和(自身を除く): 40191560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 2803, 5120, 5606, 10240, 11212, 14015, 22424, 28030, 44848, 56060, 89696, 112120, 179392, 224240, 358784, 448480, 717568, 896960, 1435136, 1793920, 2870272, 3587840, 5740544, 7175680, 14351360, 28702720]

約数ペア:

[(1, 28702720), (2, 14351360), (4, 7175680), (5, 5740544), (8, 3587840), (10, 2870272), (16, 1793920), (20, 1435136), (32, 896960), (40, 717568), (64, 448480), (80, 358784), (128, 224240), (160, 179392), (256, 112120), (320, 89696), (512, 56060), (640, 44848), (1024, 28030), (1280, 22424), (2048, 14015), (2560, 11212), (2803, 10240), (5120, 5606)]