85657610

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{521}}^1$

素因数の和:970

約数の個数: 32

約数和(自身を含む): 158642064

約数和(自身を除く): 72984454

約数列:

[1, 2, 5, 10, 41, 82, 205, 401, 410, 521, 802, 1042, 2005, 2605, 4010, 5210, 16441, 21361, 32882, 42722, 82205, 106805, 164410, 208921, 213610, 417842, 1044605, 2089210, 8565761, 17131522, 42828805, 85657610]

約数ペア:

[(1, 85657610), (2, 42828805), (5, 17131522), (10, 8565761), (41, 2089210), (82, 1044605), (205, 417842), (401, 213610), (410, 208921), (521, 164410), (802, 106805), (1042, 82205), (2005, 42722), (2605, 32882), (4010, 21361), (5210, 16441)]