156957108680

素因数分解:

$2^3\times 5^1\times {\mathrm{3923927717}}^1$

素因数の和:3923927728

約数の個数: 16

約数和(自身を含む): 353153494620

約数和(自身を除く): 196196385940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3923927717, 7847855434, 15695710868, 19619638585, 31391421736, 39239277170, 78478554340, 156957108680]

約数ペア:

[(1, 156957108680), (2, 78478554340), (4, 39239277170), (5, 31391421736), (8, 19619638585), (10, 15695710868), (20, 7847855434), (40, 3923927717)]