86385340

素因数分解:

$2^2\times 5^1\times {\mathrm{947}}^1\times {\mathrm{4561}}^1$

素因数の和:5517

約数の個数: 24

約数和(自身を含む): 181640592

約数和(自身を除く): 95255252

約数列:

[1, 2, 4, 5, 10, 20, 947, 1894, 3788, 4561, 4735, 9122, 9470, 18244, 18940, 22805, 45610, 91220, 4319267, 8638534, 17277068, 21596335, 43192670, 86385340]

約数ペア:

[(1, 86385340), (2, 43192670), (4, 21596335), (5, 17277068), (10, 8638534), (20, 4319267), (947, 91220), (1894, 45610), (3788, 22805), (4561, 18940), (4735, 18244), (9122, 9470)]