40467728

素因数分解:

$2^4\times 7^2\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:820

約数の個数: 60

約数和(自身を含む): 92619072

約数和(自身を除く): 52151344

約数列:

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

約数ペア:

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