12660040

素因数分解:

$2^3\times 5^1\times {\mathrm{316501}}^1$

素因数の和:316512

約数の個数: 16

約数和(自身を含む): 28485180

約数和(自身を除く): 15825140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 316501, 633002, 1266004, 1582505, 2532008, 3165010, 6330020, 12660040]

約数ペア:

[(1, 12660040), (2, 6330020), (4, 3165010), (5, 2532008), (8, 1582505), (10, 1266004), (20, 633002), (40, 316501)]