42772220

素因数分解:

$2^2\times 5^1\times {\mathrm{839}}^1\times {\mathrm{2549}}^1$

素因数の和:3397

約数の個数: 24

約数和(自身を含む): 89964000

約数和(自身を除く): 47191780

約数列:

[1, 2, 4, 5, 10, 20, 839, 1678, 2549, 3356, 4195, 5098, 8390, 10196, 12745, 16780, 25490, 50980, 2138611, 4277222, 8554444, 10693055, 21386110, 42772220]

約数ペア:

[(1, 42772220), (2, 21386110), (4, 10693055), (5, 8554444), (10, 4277222), (20, 2138611), (839, 50980), (1678, 25490), (2549, 16780), (3356, 12745), (4195, 10196), (5098, 8390)]