20792244880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{243583}}^1$

素因数の和:243704

約数の個数: 80

約数和(自身を含む): 53280589824

約数和(自身を除く): 32488344944

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 97, 110, 176, 194, 220, 388, 440, 485, 776, 880, 970, 1067, 1552, 1940, 2134, 3880, 4268, 5335, 7760, 8536, 10670, 17072, 21340, 42680, 85360, 243583, 487166, 974332, 1217915, 1948664, 2435830, 2679413, 3897328, 4871660, 5358826, 9743320, 10717652, 13397065, 19486640, 21435304, 23627551, 26794130, 42870608, 47255102, 53588260, 94510204, 107176520, 118137755, 189020408, 214353040, 236275510, 259903061, 378040816, 472551020, 519806122, 945102040, 1039612244, 1299515305, 1890204080, 2079224488, 2599030610, 4158448976, 5198061220, 10396122440, 20792244880]

約数ペア:

[(1, 20792244880), (2, 10396122440), (4, 5198061220), (5, 4158448976), (8, 2599030610), (10, 2079224488), (11, 1890204080), (16, 1299515305), (20, 1039612244), (22, 945102040), (40, 519806122), (44, 472551020), (55, 378040816), (80, 259903061), (88, 236275510), (97, 214353040), (110, 189020408), (176, 118137755), (194, 107176520), (220, 94510204), (388, 53588260), (440, 47255102), (485, 42870608), (776, 26794130), (880, 23627551), (970, 21435304), (1067, 19486640), (1552, 13397065), (1940, 10717652), (2134, 9743320), (3880, 5358826), (4268, 4871660), (5335, 3897328), (7760, 2679413), (8536, 2435830), (10670, 1948664), (17072, 1217915), (21340, 974332), (42680, 487166), (85360, 243583)]