2916440

素因数分解:

$2^3\times 5^1\times {\mathrm{72911}}^1$

素因数の和:72922

約数の個数: 16

約数和(自身を含む): 6562080

約数和(自身を除く): 3645640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 72911, 145822, 291644, 364555, 583288, 729110, 1458220, 2916440]

約数ペア:

[(1, 2916440), (2, 1458220), (4, 729110), (5, 583288), (8, 364555), (10, 291644), (20, 145822), (40, 72911)]