20164033040

素因数分解:

$2^4\times 5^1\times {\mathrm{10891}}^1\times {\mathrm{23143}}^1$

素因数の和:34047

約数の個数: 40

約数和(自身を含む): 46887707328

約数和(自身を除く): 26723674288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10891, 21782, 23143, 43564, 46286, 54455, 87128, 92572, 108910, 115715, 174256, 185144, 217820, 231430, 370288, 435640, 462860, 871280, 925720, 1851440, 252050413, 504100826, 1008201652, 1260252065, 2016403304, 2520504130, 4032806608, 5041008260, 10082016520, 20164033040]

約数ペア:

[(1, 20164033040), (2, 10082016520), (4, 5041008260), (5, 4032806608), (8, 2520504130), (10, 2016403304), (16, 1260252065), (20, 1008201652), (40, 504100826), (80, 252050413), (10891, 1851440), (21782, 925720), (23143, 871280), (43564, 462860), (46286, 435640), (54455, 370288), (87128, 231430), (92572, 217820), (108910, 185144), (115715, 174256)]