2557067840

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1\times {\mathrm{467}}^1$

素因数の和:796

約数の個数: 112

約数和(自身を含む): 6213677184

約数和(自身を除く): 3656609344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 241, 284, 320, 355, 467, 482, 568, 710, 934, 964, 1136, 1205, 1420, 1868, 1928, 2272, 2335, 2410, 2840, 3736, 3856, 4544, 4670, 4820, 5680, 7472, 7712, 9340, 9640, 11360, 14944, 15424, 17111, 18680, 19280, 22720, 29888, 33157, 34222, 37360, 38560, 66314, 68444, 74720, 77120, 85555, 112547, 132628, 136888, 149440, 165785, 171110, 225094, 265256, 273776, 331570, 342220, 450188, 530512, 547552, 562735, 663140, 684440, 900376, 1061024, 1095104, 1125470, 1326280, 1368880, 1800752, 2122048, 2250940, 2652560, 2737760, 3601504, 4501880, 5305120, 5475520, 7203008, 7990837, 9003760, 10610240, 15981674, 18007520, 31963348, 36015040, 39954185, 63926696, 79908370, 127853392, 159816740, 255706784, 319633480, 511413568, 639266960, 1278533920, 2557067840]

約数ペア:

[(1, 2557067840), (2, 1278533920), (4, 639266960), (5, 511413568), (8, 319633480), (10, 255706784), (16, 159816740), (20, 127853392), (32, 79908370), (40, 63926696), (64, 39954185), (71, 36015040), (80, 31963348), (142, 18007520), (160, 15981674), (241, 10610240), (284, 9003760), (320, 7990837), (355, 7203008), (467, 5475520), (482, 5305120), (568, 4501880), (710, 3601504), (934, 2737760), (964, 2652560), (1136, 2250940), (1205, 2122048), (1420, 1800752), (1868, 1368880), (1928, 1326280), (2272, 1125470), (2335, 1095104), (2410, 1061024), (2840, 900376), (3736, 684440), (3856, 663140), (4544, 562735), (4670, 547552), (4820, 530512), (5680, 450188), (7472, 342220), (7712, 331570), (9340, 273776), (9640, 265256), (11360, 225094), (14944, 171110), (15424, 165785), (17111, 149440), (18680, 136888), (19280, 132628), (22720, 112547), (29888, 85555), (33157, 77120), (34222, 74720), (37360, 68444), (38560, 66314)]