51757940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{15313}}^1$

素因数の和:15348

約数の個数: 36

約数和(自身を含む): 117703404

約数和(自身を除く): 65945464

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 15313, 30626, 61252, 76565, 153130, 199069, 306260, 398138, 796276, 995345, 1990690, 2587897, 3981380, 5175794, 10351588, 12939485, 25878970, 51757940]

約数ペア:

[(1, 51757940), (2, 25878970), (4, 12939485), (5, 10351588), (10, 5175794), (13, 3981380), (20, 2587897), (26, 1990690), (52, 995345), (65, 796276), (130, 398138), (169, 306260), (260, 199069), (338, 153130), (676, 76565), (845, 61252), (1690, 30626), (3380, 15313)]