80680156

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{2729}}^1$

素因数の和:3141

約数の個数: 24

約数和(自身を含む): 149058000

約数和(自身を除く): 68377844

約数列:

[1, 2, 4, 19, 38, 76, 389, 778, 1556, 2729, 5458, 7391, 10916, 14782, 29564, 51851, 103702, 207404, 1061581, 2123162, 4246324, 20170039, 40340078, 80680156]

約数ペア:

[(1, 80680156), (2, 40340078), (4, 20170039), (19, 4246324), (38, 2123162), (76, 1061581), (389, 207404), (778, 103702), (1556, 51851), (2729, 29564), (5458, 14782), (7391, 10916)]