71534080

素因数分解:

$2^9\times 5^1\times {\mathrm{27943}}^1$

素因数の和:27966

約数の個数: 40

約数和(自身を含む): 171520272

約数和(自身を除く): 99986192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 27943, 55886, 111772, 139715, 223544, 279430, 447088, 558860, 894176, 1117720, 1788352, 2235440, 3576704, 4470880, 7153408, 8941760, 14306816, 17883520, 35767040, 71534080]

約数ペア:

[(1, 71534080), (2, 35767040), (4, 17883520), (5, 14306816), (8, 8941760), (10, 7153408), (16, 4470880), (20, 3576704), (32, 2235440), (40, 1788352), (64, 1117720), (80, 894176), (128, 558860), (160, 447088), (256, 279430), (320, 223544), (512, 139715), (640, 111772), (1280, 55886), (2560, 27943)]