2664040

素因数分解:

$2^3\times 5^1\times {\mathrm{66601}}^1$

素因数の和:66612

約数の個数: 16

約数和(自身を含む): 5994180

約数和(自身を除く): 3330140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 66601, 133202, 266404, 333005, 532808, 666010, 1332020, 2664040]

約数ペア:

[(1, 2664040), (2, 1332020), (4, 666010), (5, 532808), (8, 333005), (10, 266404), (20, 133202), (40, 66601)]