28716140

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{1423}}^1$

素因数の和:2441

約数の個数: 24

約数和(自身を含む): 60406080

約数和(自身を除く): 31689940

約数列:

[1, 2, 4, 5, 10, 20, 1009, 1423, 2018, 2846, 4036, 5045, 5692, 7115, 10090, 14230, 20180, 28460, 1435807, 2871614, 5743228, 7179035, 14358070, 28716140]

約数ペア:

[(1, 28716140), (2, 14358070), (4, 7179035), (5, 5743228), (10, 2871614), (20, 1435807), (1009, 28460), (1423, 20180), (2018, 14230), (2846, 10090), (4036, 7115), (5045, 5692)]