71417020

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{3539}}^1$

素因数の和:4557

約数の個数: 24

約数和(自身を含む): 150166800

約数和(自身を除く): 78749780

約数列:

[1, 2, 4, 5, 10, 20, 1009, 2018, 3539, 4036, 5045, 7078, 10090, 14156, 17695, 20180, 35390, 70780, 3570851, 7141702, 14283404, 17854255, 35708510, 71417020]

約数ペア:

[(1, 71417020), (2, 35708510), (4, 17854255), (5, 14283404), (10, 7141702), (20, 3570851), (1009, 70780), (2018, 35390), (3539, 20180), (4036, 17695), (5045, 14156), (7078, 10090)]