138486580

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{25741}}^1$

素因数の和:26019

約数の個数: 24

約数和(自身を含む): 291914280

約数和(自身を除く): 153427700

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 25741, 51482, 102964, 128705, 257410, 514820, 6924329, 13848658, 27697316, 34621645, 69243290, 138486580]

約数ペア:

[(1, 138486580), (2, 69243290), (4, 34621645), (5, 27697316), (10, 13848658), (20, 6924329), (269, 514820), (538, 257410), (1076, 128705), (1345, 102964), (2690, 51482), (5380, 25741)]