80606660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{138977}}^1$

素因数の和:139015

約数の個数: 24

約数和(自身を含む): 175112280

約数和(自身を除く): 94505620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 138977, 277954, 555908, 694885, 1389770, 2779540, 4030333, 8060666, 16121332, 20151665, 40303330, 80606660]

約数ペア:

[(1, 80606660), (2, 40303330), (4, 20151665), (5, 16121332), (10, 8060666), (20, 4030333), (29, 2779540), (58, 1389770), (116, 694885), (145, 555908), (290, 277954), (580, 138977)]