8397220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32297}}^1$

素因数の和:32319

約数の個数: 24

約数和(自身を含む): 18991224

約数和(自身を除く): 10594004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 32297, 64594, 129188, 161485, 322970, 419861, 645940, 839722, 1679444, 2099305, 4198610, 8397220]

約数ペア:

[(1, 8397220), (2, 4198610), (4, 2099305), (5, 1679444), (10, 839722), (13, 645940), (20, 419861), (26, 322970), (52, 161485), (65, 129188), (130, 64594), (260, 32297)]