27431540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{80681}}^1$

素因数の和:80707

約数の個数: 24

約数和(自身を含む): 60995592

約数和(自身を除く): 33564052

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 80681, 161362, 322724, 403405, 806810, 1371577, 1613620, 2743154, 5486308, 6857885, 13715770, 27431540]

約数ペア:

[(1, 27431540), (2, 13715770), (4, 6857885), (5, 5486308), (10, 2743154), (17, 1613620), (20, 1371577), (34, 806810), (68, 403405), (85, 322724), (170, 161362), (340, 80681)]