40411180

素因数分解:

$2^2\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{1979}}^1$

素因数の和:3009

約数の個数: 24

約数和(自身を含む): 84989520

約数和(自身を除く): 44578340

約数列:

[1, 2, 4, 5, 10, 20, 1021, 1979, 2042, 3958, 4084, 5105, 7916, 9895, 10210, 19790, 20420, 39580, 2020559, 4041118, 8082236, 10102795, 20205590, 40411180]

約数ペア:

[(1, 40411180), (2, 20205590), (4, 10102795), (5, 8082236), (10, 4041118), (20, 2020559), (1021, 39580), (1979, 20420), (2042, 19790), (3958, 10210), (4084, 9895), (5105, 7916)]