16640065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{4339}}^1$

素因数の和:4416

約数の個数: 16

約数和(自身を含む): 21873600

約数和(自身を除く): 5233535

約数列:

[1, 5, 13, 59, 65, 295, 767, 3835, 4339, 21695, 56407, 256001, 282035, 1280005, 3328013, 16640065]

約数ペア:

[(1, 16640065), (5, 3328013), (13, 1280005), (59, 282035), (65, 256001), (295, 56407), (767, 21695), (3835, 4339)]