4022005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1439}}^1$

素因数の和:1500

約数の個数: 16

約数和(自身を含む): 5322240

約数和(自身を除く): 1300235

約数列:

[1, 5, 13, 43, 65, 215, 559, 1439, 2795, 7195, 18707, 61877, 93535, 309385, 804401, 4022005]

約数ペア:

[(1, 4022005), (5, 804401), (13, 309385), (43, 93535), (65, 61877), (215, 18707), (559, 7195), (1439, 2795)]