80992816

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{75553}}^1$

素因数の和:75628

約数の個数: 20

約数和(自身を含む): 159267832

約数和(自身を除く): 78275016

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 75553, 151106, 302212, 604424, 1208848, 5062051, 10124102, 20248204, 40496408, 80992816]

約数ペア:

[(1, 80992816), (2, 40496408), (4, 20248204), (8, 10124102), (16, 5062051), (67, 1208848), (134, 604424), (268, 302212), (536, 151106), (1072, 75553)]