220174025

素因数分解:

$5^2\times {\mathrm{419}}^1\times {\mathrm{21019}}^1$

素因数の和:21448

約数の個数: 12

約数和(自身を含む): 273680400

約数和(自身を除く): 53506375

約数列:

[1, 5, 25, 419, 2095, 10475, 21019, 105095, 525475, 8806961, 44034805, 220174025]

約数ペア:

[(1, 220174025), (5, 44034805), (25, 8806961), (419, 525475), (2095, 105095), (10475, 21019)]