80935456

素因数分解:

$2^5\times 7^2\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:822

約数の個数: 72

約数和(自身を含む): 188225856

約数和(自身を除く): 107290400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 71, 98, 112, 142, 196, 224, 284, 392, 497, 568, 727, 784, 994, 1136, 1454, 1568, 1988, 2272, 2908, 3479, 3976, 5089, 5816, 6958, 7952, 10178, 11632, 13916, 15904, 20356, 23264, 27832, 35623, 40712, 51617, 55664, 71246, 81424, 103234, 111328, 142492, 162848, 206468, 284984, 361319, 412936, 569968, 722638, 825872, 1139936, 1445276, 1651744, 2529233, 2890552, 5058466, 5781104, 10116932, 11562208, 20233864, 40467728, 80935456]

約数ペア:

[(1, 80935456), (2, 40467728), (4, 20233864), (7, 11562208), (8, 10116932), (14, 5781104), (16, 5058466), (28, 2890552), (32, 2529233), (49, 1651744), (56, 1445276), (71, 1139936), (98, 825872), (112, 722638), (142, 569968), (196, 412936), (224, 361319), (284, 284984), (392, 206468), (497, 162848), (568, 142492), (727, 111328), (784, 103234), (994, 81424), (1136, 71246), (1454, 55664), (1568, 51617), (1988, 40712), (2272, 35623), (2908, 27832), (3479, 23264), (3976, 20356), (5089, 15904), (5816, 13916), (6958, 11632), (7952, 10178)]