87792980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{399059}}^1$

素因数の和:399079

約数の個数: 24

約数和(自身を含む): 201126240

約数和(自身を除く): 113333260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 399059, 798118, 1596236, 1995295, 3990590, 4389649, 7981180, 8779298, 17558596, 21948245, 43896490, 87792980]

約数ペア:

[(1, 87792980), (2, 43896490), (4, 21948245), (5, 17558596), (10, 8779298), (11, 7981180), (20, 4389649), (22, 3990590), (44, 1995295), (55, 1596236), (110, 798118), (220, 399059)]