42568420

素因数分解:

$2^2\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{2029}}^1$

素因数の和:3087

約数の個数: 24

約数和(自身を含む): 89523000

約数和(自身を除く): 46954580

約数列:

[1, 2, 4, 5, 10, 20, 1049, 2029, 2098, 4058, 4196, 5245, 8116, 10145, 10490, 20290, 20980, 40580, 2128421, 4256842, 8513684, 10642105, 21284210, 42568420]

約数ペア:

[(1, 42568420), (2, 21284210), (4, 10642105), (5, 8513684), (10, 4256842), (20, 2128421), (1049, 40580), (2029, 20980), (2098, 20290), (4058, 10490), (4196, 10145), (5245, 8116)]