18788046080

素因数分解:

$2^8\times 5^1\times {\mathrm{2269}}^1\times {\mathrm{6469}}^1$

素因数の和:8759

約数の個数: 72

約数和(自身を含む): 45030035400

約数和(自身を除く): 26241989320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 2269, 4538, 6469, 9076, 11345, 12938, 18152, 22690, 25876, 32345, 36304, 45380, 51752, 64690, 72608, 90760, 103504, 129380, 145216, 181520, 207008, 258760, 290432, 363040, 414016, 517520, 580864, 726080, 828032, 1035040, 1452160, 1656064, 2070080, 2904320, 4140160, 8280320, 14678161, 29356322, 58712644, 73390805, 117425288, 146781610, 234850576, 293563220, 469701152, 587126440, 939402304, 1174252880, 1878804608, 2348505760, 3757609216, 4697011520, 9394023040, 18788046080]

約数ペア:

[(1, 18788046080), (2, 9394023040), (4, 4697011520), (5, 3757609216), (8, 2348505760), (10, 1878804608), (16, 1174252880), (20, 939402304), (32, 587126440), (40, 469701152), (64, 293563220), (80, 234850576), (128, 146781610), (160, 117425288), (256, 73390805), (320, 58712644), (640, 29356322), (1280, 14678161), (2269, 8280320), (4538, 4140160), (6469, 2904320), (9076, 2070080), (11345, 1656064), (12938, 1452160), (18152, 1035040), (22690, 828032), (25876, 726080), (32345, 580864), (36304, 517520), (45380, 414016), (51752, 363040), (64690, 290432), (72608, 258760), (90760, 207008), (103504, 181520), (129380, 145216)]