40637648

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{10627}}^1$

素因数の和:10874

約数の個数: 20

約数和(自身を含む): 79072320

約数和(自身を除く): 38434672

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 10627, 21254, 42508, 85016, 170032, 2539853, 5079706, 10159412, 20318824, 40637648]

約数ペア:

[(1, 40637648), (2, 20318824), (4, 10159412), (8, 5079706), (16, 2539853), (239, 170032), (478, 85016), (956, 42508), (1912, 21254), (3824, 10627)]