7965880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15319}}^1$

素因数の和:15343

約数の個数: 32

約数和(自身を含む): 19303200

約数和(自身を除く): 11337320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15319, 30638, 61276, 76595, 122552, 153190, 199147, 306380, 398294, 612760, 796588, 995735, 1593176, 1991470, 3982940, 7965880]

約数ペア:

[(1, 7965880), (2, 3982940), (4, 1991470), (5, 1593176), (8, 995735), (10, 796588), (13, 612760), (20, 398294), (26, 306380), (40, 199147), (52, 153190), (65, 122552), (104, 76595), (130, 61276), (260, 30638), (520, 15319)]