81552760

素因数分解:

$2^3\times 5^1\times {\mathrm{2038819}}^1$

素因数の和:2038830

約数の個数: 16

約数和(自身を含む): 183493800

約数和(自身を除く): 101941040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2038819, 4077638, 8155276, 10194095, 16310552, 20388190, 40776380, 81552760]

約数ペア:

[(1, 81552760), (2, 40776380), (4, 20388190), (5, 16310552), (8, 10194095), (10, 8155276), (20, 4077638), (40, 2038819)]