40042994

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{2503}}^1$

素因数の和:2945

約数の個数: 16

約数和(自身を含む): 63401280

約数和(自身を除く): 23358286

約数列:

[1, 2, 19, 38, 421, 842, 2503, 5006, 7999, 15998, 47557, 95114, 1053763, 2107526, 20021497, 40042994]

約数ペア:

[(1, 40042994), (2, 20021497), (19, 2107526), (38, 1053763), (421, 95114), (842, 47557), (2503, 15998), (5006, 7999)]