55163840

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:290

約数の個数: 112

約数和(自身を含む): 142158720

約数和(自身を除く): 86994880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 64, 76, 80, 86, 95, 152, 160, 172, 190, 211, 215, 304, 320, 344, 380, 422, 430, 608, 688, 760, 817, 844, 860, 1055, 1216, 1376, 1520, 1634, 1688, 1720, 2110, 2752, 3040, 3268, 3376, 3440, 4009, 4085, 4220, 6080, 6536, 6752, 6880, 8018, 8170, 8440, 9073, 13072, 13504, 13760, 16036, 16340, 16880, 18146, 20045, 26144, 32072, 32680, 33760, 36292, 40090, 45365, 52288, 64144, 65360, 67520, 72584, 80180, 90730, 128288, 130720, 145168, 160360, 172387, 181460, 256576, 261440, 290336, 320720, 344774, 362920, 580672, 641440, 689548, 725840, 861935, 1282880, 1379096, 1451680, 1723870, 2758192, 2903360, 3447740, 5516384, 6895480, 11032768, 13790960, 27581920, 55163840]

約数ペア:

[(1, 55163840), (2, 27581920), (4, 13790960), (5, 11032768), (8, 6895480), (10, 5516384), (16, 3447740), (19, 2903360), (20, 2758192), (32, 1723870), (38, 1451680), (40, 1379096), (43, 1282880), (64, 861935), (76, 725840), (80, 689548), (86, 641440), (95, 580672), (152, 362920), (160, 344774), (172, 320720), (190, 290336), (211, 261440), (215, 256576), (304, 181460), (320, 172387), (344, 160360), (380, 145168), (422, 130720), (430, 128288), (608, 90730), (688, 80180), (760, 72584), (817, 67520), (844, 65360), (860, 64144), (1055, 52288), (1216, 45365), (1376, 40090), (1520, 36292), (1634, 33760), (1688, 32680), (1720, 32072), (2110, 26144), (2752, 20045), (3040, 18146), (3268, 16880), (3376, 16340), (3440, 16036), (4009, 13760), (4085, 13504), (4220, 13072), (6080, 9073), (6536, 8440), (6752, 8170), (6880, 8018)]