68241220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83221}}^1$

素因数の和:83271

約数の個数: 24

約数和(自身を含む): 146803608

約数和(自身を除く): 78562388

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 83221, 166442, 332884, 416105, 832210, 1664420, 3412061, 6824122, 13648244, 17060305, 34120610, 68241220]

約数ペア:

[(1, 68241220), (2, 34120610), (4, 17060305), (5, 13648244), (10, 6824122), (20, 3412061), (41, 1664420), (82, 832210), (164, 416105), (205, 332884), (410, 166442), (820, 83221)]