65936840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{859}}^1$

素因数の和:990

約数の個数: 64

約数和(自身を含む): 157896000

約数和(自身を除く): 91959160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 101, 152, 190, 202, 380, 404, 505, 760, 808, 859, 1010, 1718, 1919, 2020, 3436, 3838, 4040, 4295, 6872, 7676, 8590, 9595, 15352, 16321, 17180, 19190, 32642, 34360, 38380, 65284, 76760, 81605, 86759, 130568, 163210, 173518, 326420, 347036, 433795, 652840, 694072, 867590, 1648421, 1735180, 3296842, 3470360, 6593684, 8242105, 13187368, 16484210, 32968420, 65936840]

約数ペア:

[(1, 65936840), (2, 32968420), (4, 16484210), (5, 13187368), (8, 8242105), (10, 6593684), (19, 3470360), (20, 3296842), (38, 1735180), (40, 1648421), (76, 867590), (95, 694072), (101, 652840), (152, 433795), (190, 347036), (202, 326420), (380, 173518), (404, 163210), (505, 130568), (760, 86759), (808, 81605), (859, 76760), (1010, 65284), (1718, 38380), (1919, 34360), (2020, 32642), (3436, 19190), (3838, 17180), (4040, 16321), (4295, 15352), (6872, 9595), (7676, 8590)]