2013159775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{72481}}^1$

素因数の和:72603

約数の個数: 24

約数和(自身を含む): 2750257008

約数和(自身を除く): 737097233

約数列:

[1, 5, 11, 25, 55, 101, 275, 505, 1111, 2525, 5555, 27775, 72481, 362405, 797291, 1812025, 3986455, 7320581, 19932275, 36602905, 80526391, 183014525, 402631955, 2013159775]

約数ペア:

[(1, 2013159775), (5, 402631955), (11, 183014525), (25, 80526391), (55, 36602905), (101, 19932275), (275, 7320581), (505, 3986455), (1111, 1812025), (2525, 797291), (5555, 362405), (27775, 72481)]