42685540

素因数分解:

$2^2\times 5^1\times {\mathrm{1193}}^1\times {\mathrm{1789}}^1$

素因数の和:2991

約数の個数: 24

約数和(自身を含む): 89764920

約数和(自身を除く): 47079380

約数列:

[1, 2, 4, 5, 10, 20, 1193, 1789, 2386, 3578, 4772, 5965, 7156, 8945, 11930, 17890, 23860, 35780, 2134277, 4268554, 8537108, 10671385, 21342770, 42685540]

約数ペア:

[(1, 42685540), (2, 21342770), (4, 10671385), (5, 8537108), (10, 4268554), (20, 2134277), (1193, 35780), (1789, 23860), (2386, 17890), (3578, 11930), (4772, 8945), (5965, 7156)]