80646940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{3559}}^1$

素因数の和:3682

約数の個数: 48

約数和(自身を含む): 186600960

約数和(自身を除く): 105954020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 206, 220, 412, 515, 1030, 1133, 2060, 2266, 3559, 4532, 5665, 7118, 11330, 14236, 17795, 22660, 35590, 39149, 71180, 78298, 156596, 195745, 366577, 391490, 733154, 782980, 1466308, 1832885, 3665770, 4032347, 7331540, 8064694, 16129388, 20161735, 40323470, 80646940]

約数ペア:

[(1, 80646940), (2, 40323470), (4, 20161735), (5, 16129388), (10, 8064694), (11, 7331540), (20, 4032347), (22, 3665770), (44, 1832885), (55, 1466308), (103, 782980), (110, 733154), (206, 391490), (220, 366577), (412, 195745), (515, 156596), (1030, 78298), (1133, 71180), (2060, 39149), (2266, 35590), (3559, 22660), (4532, 17795), (5665, 14236), (7118, 11330)]