38640685

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1223}}^1$

素因数の和:1388

約数の個数: 16

約数和(自身を含む): 47589120

約数和(自身を除く): 8948435

約数列:

[1, 5, 71, 89, 355, 445, 1223, 6115, 6319, 31595, 86833, 108847, 434165, 544235, 7728137, 38640685]

約数ペア:

[(1, 38640685), (5, 7728137), (71, 544235), (89, 434165), (355, 108847), (445, 86833), (1223, 31595), (6115, 6319)]