161268286660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{620262641}}^1$

素因数の和:620262663

約数の個数: 24

約数和(自身を含む): 364714433496

約数和(自身を除く): 203446146836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 620262641, 1240525282, 2481050564, 3101313205, 6202626410, 8063414333, 12405252820, 16126828666, 32253657332, 40317071665, 80634143330, 161268286660]

約数ペア:

[(1, 161268286660), (2, 80634143330), (4, 40317071665), (5, 32253657332), (10, 16126828666), (13, 12405252820), (20, 8063414333), (26, 6202626410), (52, 3101313205), (65, 2481050564), (130, 1240525282), (260, 620262641)]