39990985

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{739}}^1$

素因数の和:960

約数の個数: 16

約数和(自身を含む): 49017600

約数和(自身を除く): 9026615

約数列:

[1, 5, 79, 137, 395, 685, 739, 3695, 10823, 54115, 58381, 101243, 291905, 506215, 7998197, 39990985]

約数ペア:

[(1, 39990985), (5, 7998197), (79, 506215), (137, 291905), (395, 101243), (685, 58381), (739, 54115), (3695, 10823)]