12800528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:160

約数の個数: 80

約数和(自身を含む): 29164800

約数和(自身を除く): 16364272

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 41, 52, 76, 79, 82, 104, 152, 158, 164, 208, 247, 304, 316, 328, 494, 533, 632, 656, 779, 988, 1027, 1066, 1264, 1501, 1558, 1976, 2054, 2132, 3002, 3116, 3239, 3952, 4108, 4264, 6004, 6232, 6478, 8216, 8528, 10127, 12008, 12464, 12956, 16432, 19513, 20254, 24016, 25912, 39026, 40508, 42107, 51824, 61541, 78052, 81016, 84214, 123082, 156104, 162032, 168428, 246164, 312208, 336856, 492328, 673712, 800033, 984656, 1600066, 3200132, 6400264, 12800528]

約数ペア:

[(1, 12800528), (2, 6400264), (4, 3200132), (8, 1600066), (13, 984656), (16, 800033), (19, 673712), (26, 492328), (38, 336856), (41, 312208), (52, 246164), (76, 168428), (79, 162032), (82, 156104), (104, 123082), (152, 84214), (158, 81016), (164, 78052), (208, 61541), (247, 51824), (304, 42107), (316, 40508), (328, 39026), (494, 25912), (533, 24016), (632, 20254), (656, 19513), (779, 16432), (988, 12956), (1027, 12464), (1066, 12008), (1264, 10127), (1501, 8528), (1558, 8216), (1976, 6478), (2054, 6232), (2132, 6004), (3002, 4264), (3116, 4108), (3239, 3952)]