71252020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{508943}}^1$

素因数の和:508959

約数の個数: 24

約数和(自身を含む): 171005184

約数和(自身を除く): 99753164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 508943, 1017886, 2035772, 2544715, 3562601, 5089430, 7125202, 10178860, 14250404, 17813005, 35626010, 71252020]

約数ペア:

[(1, 71252020), (2, 35626010), (4, 17813005), (5, 14250404), (7, 10178860), (10, 7125202), (14, 5089430), (20, 3562601), (28, 2544715), (35, 2035772), (70, 1017886), (140, 508943)]