13407440

素因数分解:

$2^4\times 5^1\times {\mathrm{167593}}^1$

素因数の和:167606

約数の個数: 20

約数和(自身を含む): 31172484

約数和(自身を除く): 17765044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167593, 335186, 670372, 837965, 1340744, 1675930, 2681488, 3351860, 6703720, 13407440]

約数ペア:

[(1, 13407440), (2, 6703720), (4, 3351860), (5, 2681488), (8, 1675930), (10, 1340744), (16, 837965), (20, 670372), (40, 335186), (80, 167593)]