2067220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2521}}^1$

素因数の和:2571

約数の個数: 24

約数和(自身を含む): 4448808

約数和(自身を除く): 2381588

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2521, 5042, 10084, 12605, 25210, 50420, 103361, 206722, 413444, 516805, 1033610, 2067220]

約数ペア:

[(1, 2067220), (2, 1033610), (4, 516805), (5, 413444), (10, 206722), (20, 103361), (41, 50420), (82, 25210), (164, 12605), (205, 10084), (410, 5042), (820, 2521)]