20020804480

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1\times {\mathrm{3853}}^1$

素因数の和:4248

約数の個数: 128

約数和(自身を含む): 50097683520

約数和(自身を除く): 30076879040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 353, 368, 460, 640, 706, 736, 920, 1412, 1472, 1765, 1840, 2824, 2944, 3530, 3680, 3853, 5648, 7060, 7360, 7706, 8119, 11296, 14120, 14720, 15412, 16238, 19265, 22592, 28240, 30824, 32476, 38530, 40595, 45184, 56480, 61648, 64952, 77060, 81190, 88619, 112960, 123296, 129904, 154120, 162380, 177238, 225920, 246592, 259808, 308240, 324760, 354476, 443095, 493184, 519616, 616480, 649520, 708952, 886190, 1039232, 1232960, 1299040, 1360109, 1417904, 1772380, 2465920, 2598080, 2720218, 2835808, 3544760, 5196160, 5440436, 5671616, 6800545, 7089520, 10880872, 11343232, 13601090, 14179040, 21761744, 27202180, 28358080, 31282507, 43523488, 54404360, 56716160, 62565014, 87046976, 108808720, 125130028, 156412535, 174093952, 217617440, 250260056, 312825070, 435234880, 500520112, 625650140, 870469760, 1001040224, 1251300280, 2002080448, 2502600560, 4004160896, 5005201120, 10010402240, 20020804480]

約数ペア:

[(1, 20020804480), (2, 10010402240), (4, 5005201120), (5, 4004160896), (8, 2502600560), (10, 2002080448), (16, 1251300280), (20, 1001040224), (23, 870469760), (32, 625650140), (40, 500520112), (46, 435234880), (64, 312825070), (80, 250260056), (92, 217617440), (115, 174093952), (128, 156412535), (160, 125130028), (184, 108808720), (230, 87046976), (320, 62565014), (353, 56716160), (368, 54404360), (460, 43523488), (640, 31282507), (706, 28358080), (736, 27202180), (920, 21761744), (1412, 14179040), (1472, 13601090), (1765, 11343232), (1840, 10880872), (2824, 7089520), (2944, 6800545), (3530, 5671616), (3680, 5440436), (3853, 5196160), (5648, 3544760), (7060, 2835808), (7360, 2720218), (7706, 2598080), (8119, 2465920), (11296, 1772380), (14120, 1417904), (14720, 1360109), (15412, 1299040), (16238, 1232960), (19265, 1039232), (22592, 886190), (28240, 708952), (30824, 649520), (32476, 616480), (38530, 519616), (40595, 493184), (45184, 443095), (56480, 354476), (61648, 324760), (64952, 308240), (77060, 259808), (81190, 246592), (88619, 225920), (112960, 177238), (123296, 162380), (129904, 154120)]