90849280

素因数分解:

$2^{14}\times 5^1\times {\mathrm{1109}}^1$

素因数の和:1142

約数の個数: 60

約数和(自身を含む): 218228220

約数和(自身を除く): 127378940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1109, 1280, 2048, 2218, 2560, 4096, 4436, 5120, 5545, 8192, 8872, 10240, 11090, 16384, 17744, 20480, 22180, 35488, 40960, 44360, 70976, 81920, 88720, 141952, 177440, 283904, 354880, 567808, 709760, 1135616, 1419520, 2271232, 2839040, 4542464, 5678080, 9084928, 11356160, 18169856, 22712320, 45424640, 90849280]

約数ペア:

[(1, 90849280), (2, 45424640), (4, 22712320), (5, 18169856), (8, 11356160), (10, 9084928), (16, 5678080), (20, 4542464), (32, 2839040), (40, 2271232), (64, 1419520), (80, 1135616), (128, 709760), (160, 567808), (256, 354880), (320, 283904), (512, 177440), (640, 141952), (1024, 88720), (1109, 81920), (1280, 70976), (2048, 44360), (2218, 40960), (2560, 35488), (4096, 22180), (4436, 20480), (5120, 17744), (5545, 16384), (8192, 11090), (8872, 10240)]