67746640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65141}}^1$

素因数の和:65167

約数の個数: 40

約数和(自身を含む): 169629768

約数和(自身を除く): 101883128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 65141, 130282, 260564, 325705, 521128, 651410, 846833, 1042256, 1302820, 1693666, 2605640, 3387332, 4234165, 5211280, 6774664, 8468330, 13549328, 16936660, 33873320, 67746640]

約数ペア:

[(1, 67746640), (2, 33873320), (4, 16936660), (5, 13549328), (8, 8468330), (10, 6774664), (13, 5211280), (16, 4234165), (20, 3387332), (26, 2605640), (40, 1693666), (52, 1302820), (65, 1042256), (80, 846833), (104, 651410), (130, 521128), (208, 325705), (260, 260564), (520, 130282), (1040, 65141)]