81263390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{625103}}^1$

素因数の和:625123

約数の個数: 16

約数和(自身を含む): 157526208

約数和(自身を除く): 76262818

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 625103, 1250206, 3125515, 6251030, 8126339, 16252678, 40631695, 81263390]

約数ペア:

[(1, 81263390), (2, 40631695), (5, 16252678), (10, 8126339), (13, 6251030), (26, 3125515), (65, 1250206), (130, 625103)]