8663980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{709}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 20039040

約数和(自身を除く): 11375060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 709, 940, 1222, 1418, 2444, 2836, 3055, 3545, 6110, 7090, 9217, 12220, 14180, 18434, 33323, 36868, 46085, 66646, 92170, 133292, 166615, 184340, 333230, 433199, 666460, 866398, 1732796, 2165995, 4331990, 8663980]

約数ペア:

[(1, 8663980), (2, 4331990), (4, 2165995), (5, 1732796), (10, 866398), (13, 666460), (20, 433199), (26, 333230), (47, 184340), (52, 166615), (65, 133292), (94, 92170), (130, 66646), (188, 46085), (235, 36868), (260, 33323), (470, 18434), (611, 14180), (709, 12220), (940, 9217), (1222, 7090), (1418, 6110), (2444, 3545), (2836, 3055)]