180556525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{4271}}^1$

素因数の和:4389

約数の個数: 24

約数和(自身を含む): 238377600

約数和(自身を除く): 57821075

約数列:

[1, 5, 19, 25, 89, 95, 445, 475, 1691, 2225, 4271, 8455, 21355, 42275, 81149, 106775, 380119, 405745, 1900595, 2028725, 7222261, 9502975, 36111305, 180556525]

約数ペア:

[(1, 180556525), (5, 36111305), (19, 9502975), (25, 7222261), (89, 2028725), (95, 1900595), (445, 405745), (475, 380119), (1691, 106775), (2225, 81149), (4271, 42275), (8455, 21355)]