81186160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8387}}^1$

素因数の和:8422

約数の個数: 60

約数和(自身を含む): 207502344

約数和(自身を除く): 126316184

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 8387, 9680, 16774, 33548, 41935, 67096, 83870, 92257, 134192, 167740, 184514, 335480, 369028, 461285, 670960, 738056, 922570, 1014827, 1476112, 1845140, 2029654, 3690280, 4059308, 5074135, 7380560, 8118616, 10148270, 16237232, 20296540, 40593080, 81186160]

約数ペア:

[(1, 81186160), (2, 40593080), (4, 20296540), (5, 16237232), (8, 10148270), (10, 8118616), (11, 7380560), (16, 5074135), (20, 4059308), (22, 3690280), (40, 2029654), (44, 1845140), (55, 1476112), (80, 1014827), (88, 922570), (110, 738056), (121, 670960), (176, 461285), (220, 369028), (242, 335480), (440, 184514), (484, 167740), (605, 134192), (880, 92257), (968, 83870), (1210, 67096), (1936, 41935), (2420, 33548), (4840, 16774), (8387, 9680)]