85426640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82141}}^1$

素因数の和:82167

約数の個数: 40

約数和(自身を含む): 213897768

約数和(自身を除く): 128471128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 82141, 164282, 328564, 410705, 657128, 821410, 1067833, 1314256, 1642820, 2135666, 3285640, 4271332, 5339165, 6571280, 8542664, 10678330, 17085328, 21356660, 42713320, 85426640]

約数ペア:

[(1, 85426640), (2, 42713320), (4, 21356660), (5, 17085328), (8, 10678330), (10, 8542664), (13, 6571280), (16, 5339165), (20, 4271332), (26, 3285640), (40, 2135666), (52, 1642820), (65, 1314256), (80, 1067833), (104, 821410), (130, 657128), (208, 410705), (260, 328564), (520, 164282), (1040, 82141)]