266508610

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{1621}}^1$

素因数の和:2070

約数の個数: 32

約数和(自身を含む): 492945264

約数和(自身を除く): 226436654

約数列:

[1, 2, 5, 10, 41, 82, 205, 401, 410, 802, 1621, 2005, 3242, 4010, 8105, 16210, 16441, 32882, 66461, 82205, 132922, 164410, 332305, 650021, 664610, 1300042, 3250105, 6500210, 26650861, 53301722, 133254305, 266508610]

約数ペア:

[(1, 266508610), (2, 133254305), (5, 53301722), (10, 26650861), (41, 6500210), (82, 3250105), (205, 1300042), (401, 664610), (410, 650021), (802, 332305), (1621, 164410), (2005, 132922), (3242, 82205), (4010, 66461), (8105, 32882), (16210, 16441)]