12650840

素因数分解:

$2^3\times 5^1\times {\mathrm{316271}}^1$

素因数の和:316282

約数の個数: 16

約数和(自身を含む): 28464480

約数和(自身を除く): 15813640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 316271, 632542, 1265084, 1581355, 2530168, 3162710, 6325420, 12650840]

約数ペア:

[(1, 12650840), (2, 6325420), (4, 3162710), (5, 2530168), (8, 1581355), (10, 1265084), (20, 632542), (40, 316271)]