99557120

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 266472192

約数和(自身を除く): 166915072

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, 256, 260, 310, 320, 386, 403, 416, 496, 520, 620, 640, 772, 806, 832, 965, 992, 1040, 1240, 1280, 1544, 1612, 1664, 1930, 1984, 2015, 2080, 2480, 2509, 3088, 3224, 3328, 3860, 3968, 4030, 4160, 4960, 5018, 5983, 6176, 6448, 7720, 7936, 8060, 8320, 9920, 10036, 11966, 12352, 12545, 12896, 15440, 16120, 16640, 19840, 20072, 23932, 24704, 25090, 25792, 29915, 30880, 32240, 39680, 40144, 47864, 49408, 50180, 51584, 59830, 61760, 64480, 77779, 80288, 95728, 100360, 103168, 119660, 123520, 128960, 155558, 160576, 191456, 200720, 239320, 247040, 257920, 311116, 321152, 382912, 388895, 401440, 478640, 515840, 622232, 642304, 765824, 777790, 802880, 957280, 1244464, 1531648, 1555580, 1605760, 1914560, 2488928, 3111160, 3211520, 3829120, 4977856, 6222320, 7658240, 9955712, 12444640, 19911424, 24889280, 49778560, 99557120]

約数ペア:

[(1, 99557120), (2, 49778560), (4, 24889280), (5, 19911424), (8, 12444640), (10, 9955712), (13, 7658240), (16, 6222320), (20, 4977856), (26, 3829120), (31, 3211520), (32, 3111160), (40, 2488928), (52, 1914560), (62, 1605760), (64, 1555580), (65, 1531648), (80, 1244464), (104, 957280), (124, 802880), (128, 777790), (130, 765824), (155, 642304), (160, 622232), (193, 515840), (208, 478640), (248, 401440), (256, 388895), (260, 382912), (310, 321152), (320, 311116), (386, 257920), (403, 247040), (416, 239320), (496, 200720), (520, 191456), (620, 160576), (640, 155558), (772, 128960), (806, 123520), (832, 119660), (965, 103168), (992, 100360), (1040, 95728), (1240, 80288), (1280, 77779), (1544, 64480), (1612, 61760), (1664, 59830), (1930, 51584), (1984, 50180), (2015, 49408), (2080, 47864), (2480, 40144), (2509, 39680), (3088, 32240), (3224, 30880), (3328, 29915), (3860, 25792), (3968, 25090), (4030, 24704), (4160, 23932), (4960, 20072), (5018, 19840), (5983, 16640), (6176, 16120), (6448, 15440), (7720, 12896), (7936, 12545), (8060, 12352), (8320, 11966), (9920, 10036)]