28702945280

素因数分解:

$2^{12}\times 5^1\times {\mathrm{1401511}}^1$

素因数の和:1401540

約数の個数: 52

約数和(自身を含む): 68878708752

約数和(自身を除く): 40175763472

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, 4096, 5120, 10240, 20480, 1401511, 2803022, 5606044, 7007555, 11212088, 14015110, 22424176, 28030220, 44848352, 56060440, 89696704, 112120880, 179393408, 224241760, 358786816, 448483520, 717573632, 896967040, 1435147264, 1793934080, 2870294528, 3587868160, 5740589056, 7175736320, 14351472640, 28702945280]

約数ペア:

[(1, 28702945280), (2, 14351472640), (4, 7175736320), (5, 5740589056), (8, 3587868160), (10, 2870294528), (16, 1793934080), (20, 1435147264), (32, 896967040), (40, 717573632), (64, 448483520), (80, 358786816), (128, 224241760), (160, 179393408), (256, 112120880), (320, 89696704), (512, 56060440), (640, 44848352), (1024, 28030220), (1280, 22424176), (2048, 14015110), (2560, 11212088), (4096, 7007555), (5120, 5606044), (10240, 2803022), (20480, 1401511)]