80400815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{39509}}^1$

素因数の和:39562

約数の個数: 16

約数和(自身を含む): 108099360

約数和(自身を除く): 27698545

約数列:

[1, 5, 11, 37, 55, 185, 407, 2035, 39509, 197545, 434599, 1461833, 2172995, 7309165, 16080163, 80400815]

約数ペア:

[(1, 80400815), (5, 16080163), (11, 7309165), (37, 2172995), (55, 1461833), (185, 434599), (407, 197545), (2035, 39509)]