79644140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97127}}^1$

素因数の和:97177

約数の個数: 24

約数和(自身を含む): 171333792

約数和(自身を除く): 91689652

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 97127, 194254, 388508, 485635, 971270, 1942540, 3982207, 7964414, 15928828, 19911035, 39822070, 79644140]

約数ペア:

[(1, 79644140), (2, 39822070), (4, 19911035), (5, 15928828), (10, 7964414), (20, 3982207), (41, 1942540), (82, 971270), (164, 485635), (205, 388508), (410, 194254), (820, 97127)]