16978040

素因数分解:

$2^3\times 5^1\times {\mathrm{424451}}^1$

素因数の和:424462

約数の個数: 16

約数和(自身を含む): 38200680

約数和(自身を除く): 21222640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 424451, 848902, 1697804, 2122255, 3395608, 4244510, 8489020, 16978040]

約数ペア:

[(1, 16978040), (2, 8489020), (4, 4244510), (5, 3395608), (8, 2122255), (10, 1697804), (20, 848902), (40, 424451)]