71434240

素因数分解:

$2^{17}\times 5^1\times {\mathrm{109}}^1$

素因数の和:148

約数の個数: 72

約数和(自身を含む): 173014380

約数和(自身を除く): 101580140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 320, 436, 512, 545, 640, 872, 1024, 1090, 1280, 1744, 2048, 2180, 2560, 3488, 4096, 4360, 5120, 6976, 8192, 8720, 10240, 13952, 16384, 17440, 20480, 27904, 32768, 34880, 40960, 55808, 65536, 69760, 81920, 111616, 131072, 139520, 163840, 223232, 279040, 327680, 446464, 558080, 655360, 892928, 1116160, 1785856, 2232320, 3571712, 4464640, 7143424, 8929280, 14286848, 17858560, 35717120, 71434240]

約数ペア:

[(1, 71434240), (2, 35717120), (4, 17858560), (5, 14286848), (8, 8929280), (10, 7143424), (16, 4464640), (20, 3571712), (32, 2232320), (40, 1785856), (64, 1116160), (80, 892928), (109, 655360), (128, 558080), (160, 446464), (218, 327680), (256, 279040), (320, 223232), (436, 163840), (512, 139520), (545, 131072), (640, 111616), (872, 81920), (1024, 69760), (1090, 65536), (1280, 55808), (1744, 40960), (2048, 34880), (2180, 32768), (2560, 27904), (3488, 20480), (4096, 17440), (4360, 16384), (5120, 13952), (6976, 10240), (8192, 8720)]