61721060

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{9923}}^1$

素因数の和:10243

約数の個数: 24

約数和(自身を含む): 130044096

約数和(自身を除く): 68323036

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 9923, 19846, 39692, 49615, 99230, 198460, 3086053, 6172106, 12344212, 15430265, 30860530, 61721060]

約数ペア:

[(1, 61721060), (2, 30860530), (4, 15430265), (5, 12344212), (10, 6172106), (20, 3086053), (311, 198460), (622, 99230), (1244, 49615), (1555, 39692), (3110, 19846), (6220, 9923)]