80521816

素因数分解:

$2^3\times {\mathrm{479}}^1\times {\mathrm{21013}}^1$

素因数の和:21498

約数の個数: 16

約数和(自身を含む): 151300800

約数和(自身を除く): 70778984

約数列:

[1, 2, 4, 8, 479, 958, 1916, 3832, 21013, 42026, 84052, 168104, 10065227, 20130454, 40260908, 80521816]

約数ペア:

[(1, 80521816), (2, 40260908), (4, 20130454), (8, 10065227), (479, 168104), (958, 84052), (1916, 42026), (3832, 21013)]