13286780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3931}}^1$

素因数の和:3966

約数の個数: 36

約数和(自身を含む): 30221352

約数和(自身を除く): 16934572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 3931, 7862, 15724, 19655, 39310, 51103, 78620, 102206, 204412, 255515, 511030, 664339, 1022060, 1328678, 2657356, 3321695, 6643390, 13286780]

約数ペア:

[(1, 13286780), (2, 6643390), (4, 3321695), (5, 2657356), (10, 1328678), (13, 1022060), (20, 664339), (26, 511030), (52, 255515), (65, 204412), (130, 102206), (169, 78620), (260, 51103), (338, 39310), (676, 19655), (845, 15724), (1690, 7862), (3380, 3931)]