| 約数 |
1,
2,
4,
5,
8,
10,
16,
20,
40,
43,
47,
80,
86,
94,
172,
188,
215,
235,
344,
376,
401,
430,
470,
688,
752,
802,
860,
940,
1604,
1720,
1880,
2005,
2021,
3208,
3440,
3760,
4010,
4042,
6416,
8020,
8084,
10105,
16040,
16168,
17243,
18847,
20210,
32080,
32336,
34486,
37694,
40420,
68972,
75388,
80840,
86215,
94235,
137944,
150776,
161680,
172430,
188470,
275888,
301552,
344860,
376940,
689720,
753880,
810421,
1379440,
1507760,
1620842,
3241684,
4052105,
6483368,
8104210,
12966736,
16208420,
32416840,
64833680
|