28278329120

素因数分解:

$2^5\times 5^1\times {\mathrm{193}}^1\times {\mathrm{947}}^1\times {\mathrm{967}}^1$

素因数の和:2122

約数の個数: 96

約数和(自身を含む): 67294136448

約数和(自身を除く): 39015807328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 193, 386, 772, 947, 965, 967, 1544, 1894, 1930, 1934, 3088, 3788, 3860, 3868, 4735, 4835, 6176, 7576, 7720, 7736, 9470, 9670, 15152, 15440, 15472, 18940, 19340, 30304, 30880, 30944, 37880, 38680, 75760, 77360, 151520, 154720, 182771, 186631, 365542, 373262, 731084, 746524, 913855, 915749, 933155, 1462168, 1493048, 1827710, 1831498, 1866310, 2924336, 2986096, 3655420, 3662996, 3732620, 4578745, 5848672, 5972192, 7310840, 7325992, 7465240, 9157490, 14621680, 14651984, 14930480, 18314980, 29243360, 29303968, 29860960, 36629960, 73259920, 146519840, 176739557, 353479114, 706958228, 883697785, 1413916456, 1767395570, 2827832912, 3534791140, 5655665824, 7069582280, 14139164560, 28278329120]

約数ペア:

[(1, 28278329120), (2, 14139164560), (4, 7069582280), (5, 5655665824), (8, 3534791140), (10, 2827832912), (16, 1767395570), (20, 1413916456), (32, 883697785), (40, 706958228), (80, 353479114), (160, 176739557), (193, 146519840), (386, 73259920), (772, 36629960), (947, 29860960), (965, 29303968), (967, 29243360), (1544, 18314980), (1894, 14930480), (1930, 14651984), (1934, 14621680), (3088, 9157490), (3788, 7465240), (3860, 7325992), (3868, 7310840), (4735, 5972192), (4835, 5848672), (6176, 4578745), (7576, 3732620), (7720, 3662996), (7736, 3655420), (9470, 2986096), (9670, 2924336), (15152, 1866310), (15440, 1831498), (15472, 1827710), (18940, 1493048), (19340, 1462168), (30304, 933155), (30880, 915749), (30944, 913855), (37880, 746524), (38680, 731084), (75760, 373262), (77360, 365542), (151520, 186631), (154720, 182771)]