26309680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{911}}^1$

素因数の和:962

約数の個数: 60

約数和(自身を含む): 64629792

約数和(自身を除く): 38320112

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 911, 1444, 1520, 1805, 1822, 2888, 3610, 3644, 4555, 5776, 7220, 7288, 9110, 14440, 14576, 17309, 18220, 28880, 34618, 36440, 69236, 72880, 86545, 138472, 173090, 276944, 328871, 346180, 657742, 692360, 1315484, 1384720, 1644355, 2630968, 3288710, 5261936, 6577420, 13154840, 26309680]

約数ペア:

[(1, 26309680), (2, 13154840), (4, 6577420), (5, 5261936), (8, 3288710), (10, 2630968), (16, 1644355), (19, 1384720), (20, 1315484), (38, 692360), (40, 657742), (76, 346180), (80, 328871), (95, 276944), (152, 173090), (190, 138472), (304, 86545), (361, 72880), (380, 69236), (722, 36440), (760, 34618), (911, 28880), (1444, 18220), (1520, 17309), (1805, 14576), (1822, 14440), (2888, 9110), (3610, 7288), (3644, 7220), (4555, 5776)]