80238416

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{161771}}^1$

素因数の和:161810

約数の個数: 20

約数和(自身を含む): 160477824

約数和(自身を除く): 80239408

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 161771, 323542, 647084, 1294168, 2588336, 5014901, 10029802, 20059604, 40119208, 80238416]

約数ペア:

[(1, 80238416), (2, 40119208), (4, 20059604), (8, 10029802), (16, 5014901), (31, 2588336), (62, 1294168), (124, 647084), (248, 323542), (496, 161771)]