2648365960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2135779}}^1$

素因数の和:2135821

約数の個数: 32

約数和(自身を含む): 6151046400

約数和(自身を除く): 3502680440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 2135779, 4271558, 8543116, 10678895, 17086232, 21357790, 42715580, 66209149, 85431160, 132418298, 264836596, 331045745, 529673192, 662091490, 1324182980, 2648365960]

約数ペア:

[(1, 2648365960), (2, 1324182980), (4, 662091490), (5, 529673192), (8, 331045745), (10, 264836596), (20, 132418298), (31, 85431160), (40, 66209149), (62, 42715580), (124, 21357790), (155, 17086232), (248, 10678895), (310, 8543116), (620, 4271558), (1240, 2135779)]