81320772

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{40099}}^1$

素因数の和:40132

約数の個数: 36

約数和(自身を含む): 205472400

約数和(自身を除く): 124151628

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 40099, 80198, 120297, 160396, 240594, 481188, 521287, 1042574, 1563861, 2085148, 3127722, 6255444, 6776731, 13553462, 20330193, 27106924, 40660386, 81320772]

約数ペア:

[(1, 81320772), (2, 40660386), (3, 27106924), (4, 20330193), (6, 13553462), (12, 6776731), (13, 6255444), (26, 3127722), (39, 2085148), (52, 1563861), (78, 1042574), (156, 521287), (169, 481188), (338, 240594), (507, 160396), (676, 120297), (1014, 80198), (2028, 40099)]