40078288

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{80803}}^1$

素因数の和:80842

約数の個数: 20

約数和(自身を含む): 80157568

約数和(自身を除く): 40079280

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 80803, 161606, 323212, 646424, 1292848, 2504893, 5009786, 10019572, 20039144, 40078288]

約数ペア:

[(1, 40078288), (2, 20039144), (4, 10019572), (8, 5009786), (16, 2504893), (31, 1292848), (62, 646424), (124, 323212), (248, 161606), (496, 80803)]