20040640

素因数分解:

$2^6\times 5^1\times {\mathrm{62627}}^1$

素因数の和:62644

約数の個数: 28

約数和(自身を含む): 47722536

約数和(自身を除く): 27681896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 62627, 125254, 250508, 313135, 501016, 626270, 1002032, 1252540, 2004064, 2505080, 4008128, 5010160, 10020320, 20040640]

約数ペア:

[(1, 20040640), (2, 10020320), (4, 5010160), (5, 4008128), (8, 2505080), (10, 2004064), (16, 1252540), (20, 1002032), (32, 626270), (40, 501016), (64, 313135), (80, 250508), (160, 125254), (320, 62627)]