80780425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1871}}^1$

素因数の和:2049

約数の個数: 24

約数和(自身を含む): 110028672

約数和(自身を除く): 29248247

約数列:

[1, 5, 11, 25, 55, 157, 275, 785, 1727, 1871, 3925, 8635, 9355, 20581, 43175, 46775, 102905, 293747, 514525, 1468735, 3231217, 7343675, 16156085, 80780425]

約数ペア:

[(1, 80780425), (5, 16156085), (11, 7343675), (25, 3231217), (55, 1468735), (157, 514525), (275, 293747), (785, 102905), (1727, 46775), (1871, 43175), (3925, 20581), (8635, 9355)]