7964139520

素因数分解:

$2^{13}\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1531}}^1$

素因数の和:1689

約数の個数: 112

約数和(自身を含む): 19275844608

約数和(自身を除く): 11311705088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 512, 635, 640, 1016, 1024, 1270, 1280, 1531, 2032, 2048, 2540, 2560, 3062, 4064, 4096, 5080, 5120, 6124, 7655, 8128, 8192, 10160, 10240, 12248, 15310, 16256, 20320, 20480, 24496, 30620, 32512, 40640, 40960, 48992, 61240, 65024, 81280, 97984, 122480, 130048, 162560, 194437, 195968, 244960, 260096, 325120, 388874, 391936, 489920, 520192, 650240, 777748, 783872, 972185, 979840, 1040384, 1300480, 1555496, 1567744, 1944370, 1959680, 2600960, 3110992, 3135488, 3888740, 3919360, 5201920, 6221984, 6270976, 7777480, 7838720, 12443968, 12541952, 15554960, 15677440, 24887936, 31109920, 31354880, 49775872, 62219840, 62709760, 99551744, 124439680, 199103488, 248879360, 398206976, 497758720, 796413952, 995517440, 1592827904, 1991034880, 3982069760, 7964139520]

約数ペア:

[(1, 7964139520), (2, 3982069760), (4, 1991034880), (5, 1592827904), (8, 995517440), (10, 796413952), (16, 497758720), (20, 398206976), (32, 248879360), (40, 199103488), (64, 124439680), (80, 99551744), (127, 62709760), (128, 62219840), (160, 49775872), (254, 31354880), (256, 31109920), (320, 24887936), (508, 15677440), (512, 15554960), (635, 12541952), (640, 12443968), (1016, 7838720), (1024, 7777480), (1270, 6270976), (1280, 6221984), (1531, 5201920), (2032, 3919360), (2048, 3888740), (2540, 3135488), (2560, 3110992), (3062, 2600960), (4064, 1959680), (4096, 1944370), (5080, 1567744), (5120, 1555496), (6124, 1300480), (7655, 1040384), (8128, 979840), (8192, 972185), (10160, 783872), (10240, 777748), (12248, 650240), (15310, 520192), (16256, 489920), (20320, 391936), (20480, 388874), (24496, 325120), (30620, 260096), (32512, 244960), (40640, 195968), (40960, 194437), (48992, 162560), (61240, 130048), (65024, 122480), (81280, 97984)]