49778560

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:256

約数の個数: 128

約数和(自身を含む): 132975360

約数和(自身を除く): 83196800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 193, 208, 248, 260, 310, 320, 386, 403, 416, 496, 520, 620, 640, 772, 806, 832, 965, 992, 1040, 1240, 1544, 1612, 1664, 1930, 1984, 2015, 2080, 2480, 2509, 3088, 3224, 3860, 3968, 4030, 4160, 4960, 5018, 5983, 6176, 6448, 7720, 8060, 8320, 9920, 10036, 11966, 12352, 12545, 12896, 15440, 16120, 19840, 20072, 23932, 24704, 25090, 25792, 29915, 30880, 32240, 40144, 47864, 50180, 51584, 59830, 61760, 64480, 77779, 80288, 95728, 100360, 119660, 123520, 128960, 155558, 160576, 191456, 200720, 239320, 257920, 311116, 321152, 382912, 388895, 401440, 478640, 622232, 765824, 777790, 802880, 957280, 1244464, 1555580, 1605760, 1914560, 2488928, 3111160, 3829120, 4977856, 6222320, 9955712, 12444640, 24889280, 49778560]

約数ペア:

[(1, 49778560), (2, 24889280), (4, 12444640), (5, 9955712), (8, 6222320), (10, 4977856), (13, 3829120), (16, 3111160), (20, 2488928), (26, 1914560), (31, 1605760), (32, 1555580), (40, 1244464), (52, 957280), (62, 802880), (64, 777790), (65, 765824), (80, 622232), (104, 478640), (124, 401440), (128, 388895), (130, 382912), (155, 321152), (160, 311116), (193, 257920), (208, 239320), (248, 200720), (260, 191456), (310, 160576), (320, 155558), (386, 128960), (403, 123520), (416, 119660), (496, 100360), (520, 95728), (620, 80288), (640, 77779), (772, 64480), (806, 61760), (832, 59830), (965, 51584), (992, 50180), (1040, 47864), (1240, 40144), (1544, 32240), (1612, 30880), (1664, 29915), (1930, 25792), (1984, 25090), (2015, 24704), (2080, 23932), (2480, 20072), (2509, 19840), (3088, 16120), (3224, 15440), (3860, 12896), (3968, 12545), (4030, 12352), (4160, 11966), (4960, 10036), (5018, 9920), (5983, 8320), (6176, 8060), (6448, 7720)]