159741140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19819}}^1$

素因数の和:19872

約数の個数: 48

約数和(自身を含む): 372933120

約数和(自身を除く): 213191980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 19819, 39638, 79276, 99095, 198190, 257647, 396380, 515294, 614389, 1030588, 1228778, 1288235, 2457556, 2576470, 3071945, 5152940, 6143890, 7987057, 12287780, 15974114, 31948228, 39935285, 79870570, 159741140]

約数ペア:

[(1, 159741140), (2, 79870570), (4, 39935285), (5, 31948228), (10, 15974114), (13, 12287780), (20, 7987057), (26, 6143890), (31, 5152940), (52, 3071945), (62, 2576470), (65, 2457556), (124, 1288235), (130, 1228778), (155, 1030588), (260, 614389), (310, 515294), (403, 396380), (620, 257647), (806, 198190), (1612, 99095), (2015, 79276), (4030, 39638), (8060, 19819)]