157027580

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{72031}}^1$

素因数の和:72149

約数の個数: 24

約数和(自身を含む): 332787840

約数和(自身を除く): 175760260

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 72031, 144062, 288124, 360155, 720310, 1440620, 7851379, 15702758, 31405516, 39256895, 78513790, 157027580]

約数ペア:

[(1, 157027580), (2, 78513790), (4, 39256895), (5, 31405516), (10, 15702758), (20, 7851379), (109, 1440620), (218, 720310), (436, 360155), (545, 288124), (1090, 144062), (2180, 72031)]