28054480

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:308

約数の個数: 80

約数和(自身を含む): 69281280

約数和(自身を除く): 41226800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 79, 80, 92, 115, 158, 184, 193, 230, 316, 368, 386, 395, 460, 632, 772, 790, 920, 965, 1264, 1544, 1580, 1817, 1840, 1930, 3088, 3160, 3634, 3860, 4439, 6320, 7268, 7720, 8878, 9085, 14536, 15247, 15440, 17756, 18170, 22195, 29072, 30494, 35512, 36340, 44390, 60988, 71024, 72680, 76235, 88780, 121976, 145360, 152470, 177560, 243952, 304940, 350681, 355120, 609880, 701362, 1219760, 1402724, 1753405, 2805448, 3506810, 5610896, 7013620, 14027240, 28054480]

約数ペア:

[(1, 28054480), (2, 14027240), (4, 7013620), (5, 5610896), (8, 3506810), (10, 2805448), (16, 1753405), (20, 1402724), (23, 1219760), (40, 701362), (46, 609880), (79, 355120), (80, 350681), (92, 304940), (115, 243952), (158, 177560), (184, 152470), (193, 145360), (230, 121976), (316, 88780), (368, 76235), (386, 72680), (395, 71024), (460, 60988), (632, 44390), (772, 36340), (790, 35512), (920, 30494), (965, 29072), (1264, 22195), (1544, 18170), (1580, 17756), (1817, 15440), (1840, 15247), (1930, 14536), (3088, 9085), (3160, 8878), (3634, 7720), (3860, 7268), (4439, 6320)]