19680025

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{18307}}^1$

素因数の和:18360

約数の個数: 12

約数和(自身を含む): 24972112

約数和(自身を除く): 5292087

約数列:

[1, 5, 25, 43, 215, 1075, 18307, 91535, 457675, 787201, 3936005, 19680025]

約数ペア:

[(1, 19680025), (5, 3936005), (25, 787201), (43, 457675), (215, 91535), (1075, 18307)]