8138209280

素因数分解:

$2^{11}\times 5^1\times {\mathrm{31}}^2\times {\mathrm{827}}^1$

素因数の和:916

約数の個数: 144

約数和(自身を含む): 20201552280

約数和(自身を除く): 12063343000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 827, 961, 992, 1024, 1240, 1280, 1654, 1922, 1984, 2048, 2480, 2560, 3308, 3844, 3968, 4135, 4805, 4960, 5120, 6616, 7688, 7936, 8270, 9610, 9920, 10240, 13232, 15376, 15872, 16540, 19220, 19840, 25637, 26464, 30752, 31744, 33080, 38440, 39680, 51274, 52928, 61504, 63488, 66160, 76880, 79360, 102548, 105856, 123008, 128185, 132320, 153760, 158720, 205096, 211712, 246016, 256370, 264640, 307520, 317440, 410192, 423424, 492032, 512740, 529280, 615040, 794747, 820384, 846848, 984064, 1025480, 1058560, 1230080, 1589494, 1640768, 1693696, 1968128, 2050960, 2117120, 2460160, 3178988, 3281536, 3973735, 4101920, 4234240, 4920320, 6357976, 6563072, 7947470, 8203840, 8468480, 9840640, 12715952, 13126144, 15894940, 16407680, 25431904, 26252288, 31789880, 32815360, 50863808, 52504576, 63579760, 65630720, 101727616, 127159520, 131261440, 203455232, 254319040, 262522880, 406910464, 508638080, 813820928, 1017276160, 1627641856, 2034552320, 4069104640, 8138209280]

約数ペア:

[(1, 8138209280), (2, 4069104640), (4, 2034552320), (5, 1627641856), (8, 1017276160), (10, 813820928), (16, 508638080), (20, 406910464), (31, 262522880), (32, 254319040), (40, 203455232), (62, 131261440), (64, 127159520), (80, 101727616), (124, 65630720), (128, 63579760), (155, 52504576), (160, 50863808), (248, 32815360), (256, 31789880), (310, 26252288), (320, 25431904), (496, 16407680), (512, 15894940), (620, 13126144), (640, 12715952), (827, 9840640), (961, 8468480), (992, 8203840), (1024, 7947470), (1240, 6563072), (1280, 6357976), (1654, 4920320), (1922, 4234240), (1984, 4101920), (2048, 3973735), (2480, 3281536), (2560, 3178988), (3308, 2460160), (3844, 2117120), (3968, 2050960), (4135, 1968128), (4805, 1693696), (4960, 1640768), (5120, 1589494), (6616, 1230080), (7688, 1058560), (7936, 1025480), (8270, 984064), (9610, 846848), (9920, 820384), (10240, 794747), (13232, 615040), (15376, 529280), (15872, 512740), (16540, 492032), (19220, 423424), (19840, 410192), (25637, 317440), (26464, 307520), (30752, 264640), (31744, 256370), (33080, 246016), (38440, 211712), (39680, 205096), (51274, 158720), (52928, 153760), (61504, 132320), (63488, 128185), (66160, 123008), (76880, 105856), (79360, 102548)]