159207820

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{57269}}^1$

素因数の和:57417

約数の個数: 24

約数和(自身を含む): 336747600

約数和(自身を除く): 177539780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 57269, 114538, 229076, 286345, 572690, 1145380, 7960391, 15920782, 31841564, 39801955, 79603910, 159207820]

約数ペア:

[(1, 159207820), (2, 79603910), (4, 39801955), (5, 31841564), (10, 15920782), (20, 7960391), (139, 1145380), (278, 572690), (556, 286345), (695, 229076), (1390, 114538), (2780, 57269)]