38402540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1009}}^1$

素因数の和:1202

約数の個数: 48

約数和(自身を含む): 88572960

約数和(自身を除く): 50170420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 173, 220, 346, 692, 865, 1009, 1730, 1903, 2018, 3460, 3806, 4036, 5045, 7612, 9515, 10090, 11099, 19030, 20180, 22198, 38060, 44396, 55495, 110990, 174557, 221980, 349114, 698228, 872785, 1745570, 1920127, 3491140, 3840254, 7680508, 9600635, 19201270, 38402540]

約数ペア:

[(1, 38402540), (2, 19201270), (4, 9600635), (5, 7680508), (10, 3840254), (11, 3491140), (20, 1920127), (22, 1745570), (44, 872785), (55, 698228), (110, 349114), (173, 221980), (220, 174557), (346, 110990), (692, 55495), (865, 44396), (1009, 38060), (1730, 22198), (1903, 20180), (2018, 19030), (3460, 11099), (3806, 10090), (4036, 9515), (5045, 7612)]