81008260

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{86179}}^1$

素因数の和:86235

約数の個数: 24

約数和(自身を含む): 173738880

約数和(自身を除く): 92730620

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 86179, 172358, 344716, 430895, 861790, 1723580, 4050413, 8100826, 16201652, 20252065, 40504130, 81008260]

約数ペア:

[(1, 81008260), (2, 40504130), (4, 20252065), (5, 16201652), (10, 8100826), (20, 4050413), (47, 1723580), (94, 861790), (188, 430895), (235, 344716), (470, 172358), (940, 86179)]