86721580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{8387}}^1$

素因数の和:8454

約数の個数: 48

約数和(自身を含む): 202922496

約数和(自身を除く): 116200916

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 8387, 10340, 16774, 33548, 41935, 83870, 92257, 167740, 184514, 369028, 394189, 461285, 788378, 922570, 1576756, 1845140, 1970945, 3941890, 4336079, 7883780, 8672158, 17344316, 21680395, 43360790, 86721580]

約数ペア:

[(1, 86721580), (2, 43360790), (4, 21680395), (5, 17344316), (10, 8672158), (11, 7883780), (20, 4336079), (22, 3941890), (44, 1970945), (47, 1845140), (55, 1576756), (94, 922570), (110, 788378), (188, 461285), (220, 394189), (235, 369028), (470, 184514), (517, 167740), (940, 92257), (1034, 83870), (2068, 41935), (2585, 33548), (5170, 16774), (8387, 10340)]