42423890

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{38921}}^1$

素因数の和:39037

約数の個数: 16

約数和(自身を含む): 77065560

約数和(自身を除く): 34641670

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 38921, 77842, 194605, 389210, 4242389, 8484778, 21211945, 42423890]

約数ペア:

[(1, 42423890), (2, 21211945), (5, 8484778), (10, 4242389), (109, 389210), (218, 194605), (545, 77842), (1090, 38921)]