42456940

素因数分解:

$2^2\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{1607}}^1$

素因数の和:2937

約数の個数: 24

約数和(自身を含む): 89282592

約数和(自身を除く): 46825652

約数列:

[1, 2, 4, 5, 10, 20, 1321, 1607, 2642, 3214, 5284, 6428, 6605, 8035, 13210, 16070, 26420, 32140, 2122847, 4245694, 8491388, 10614235, 21228470, 42456940]

約数ペア:

[(1, 42456940), (2, 21228470), (4, 10614235), (5, 8491388), (10, 4245694), (20, 2122847), (1321, 32140), (1607, 26420), (2642, 16070), (3214, 13210), (5284, 8035), (6428, 6605)]