81409544

素因数分解:

$2^3\times {\mathrm{503}}^1\times {\mathrm{20231}}^1$

素因数の和:20740

約数の個数: 16

約数和(自身を含む): 152953920

約数和(自身を除く): 71544376

約数列:

[1, 2, 4, 8, 503, 1006, 2012, 4024, 20231, 40462, 80924, 161848, 10176193, 20352386, 40704772, 81409544]

約数ペア:

[(1, 81409544), (2, 40704772), (4, 20352386), (8, 10176193), (503, 161848), (1006, 80924), (2012, 40462), (4024, 20231)]