55086980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211873}}^1$

素因数の和:211895

約数の個数: 24

約数和(自身を含む): 124581912

約数和(自身を除く): 69494932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 211873, 423746, 847492, 1059365, 2118730, 2754349, 4237460, 5508698, 11017396, 13771745, 27543490, 55086980]

約数ペア:

[(1, 55086980), (2, 27543490), (4, 13771745), (5, 11017396), (10, 5508698), (13, 4237460), (20, 2754349), (26, 2118730), (52, 1059365), (65, 847492), (130, 423746), (260, 211873)]