13812760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 33929280

約数和(自身を除く): 20116520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 101, 104, 130, 202, 260, 263, 404, 505, 520, 526, 808, 1010, 1052, 1313, 1315, 2020, 2104, 2626, 2630, 3419, 4040, 5252, 5260, 6565, 6838, 10504, 10520, 13130, 13676, 17095, 26260, 26563, 27352, 34190, 52520, 53126, 68380, 106252, 132815, 136760, 212504, 265630, 345319, 531260, 690638, 1062520, 1381276, 1726595, 2762552, 3453190, 6906380, 13812760]

約数ペア:

[(1, 13812760), (2, 6906380), (4, 3453190), (5, 2762552), (8, 1726595), (10, 1381276), (13, 1062520), (20, 690638), (26, 531260), (40, 345319), (52, 265630), (65, 212504), (101, 136760), (104, 132815), (130, 106252), (202, 68380), (260, 53126), (263, 52520), (404, 34190), (505, 27352), (520, 26563), (526, 26260), (808, 17095), (1010, 13676), (1052, 13130), (1313, 10520), (1315, 10504), (2020, 6838), (2104, 6565), (2626, 5260), (2630, 5252), (3419, 4040)]