51691520

素因数分解:

$2^{14}\times 5^1\times {\mathrm{631}}^1$

素因数の和:664

約数の個数: 60

約数和(自身を含む): 124252464

約数和(自身を除く): 72560944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 631, 640, 1024, 1262, 1280, 2048, 2524, 2560, 3155, 4096, 5048, 5120, 6310, 8192, 10096, 10240, 12620, 16384, 20192, 20480, 25240, 40384, 40960, 50480, 80768, 81920, 100960, 161536, 201920, 323072, 403840, 646144, 807680, 1292288, 1615360, 2584576, 3230720, 5169152, 6461440, 10338304, 12922880, 25845760, 51691520]

約数ペア:

[(1, 51691520), (2, 25845760), (4, 12922880), (5, 10338304), (8, 6461440), (10, 5169152), (16, 3230720), (20, 2584576), (32, 1615360), (40, 1292288), (64, 807680), (80, 646144), (128, 403840), (160, 323072), (256, 201920), (320, 161536), (512, 100960), (631, 81920), (640, 80768), (1024, 50480), (1262, 40960), (1280, 40384), (2048, 25240), (2524, 20480), (2560, 20192), (3155, 16384), (4096, 12620), (5048, 10240), (5120, 10096), (6310, 8192)]