28621120

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:248

約数の個数: 112

約数和(自身を含む): 76370688

約数和(自身を除く): 47749568

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 64, 80, 88, 94, 110, 160, 173, 176, 188, 220, 235, 320, 346, 352, 376, 440, 470, 517, 692, 704, 752, 865, 880, 940, 1034, 1384, 1504, 1730, 1760, 1880, 1903, 2068, 2585, 2768, 3008, 3460, 3520, 3760, 3806, 4136, 5170, 5536, 6920, 7520, 7612, 8131, 8272, 9515, 10340, 11072, 13840, 15040, 15224, 16262, 16544, 19030, 20680, 27680, 30448, 32524, 33088, 38060, 40655, 41360, 55360, 60896, 65048, 76120, 81310, 82720, 89441, 121792, 130096, 152240, 162620, 165440, 178882, 260192, 304480, 325240, 357764, 447205, 520384, 608960, 650480, 715528, 894410, 1300960, 1431056, 1788820, 2601920, 2862112, 3577640, 5724224, 7155280, 14310560, 28621120]

約数ペア:

[(1, 28621120), (2, 14310560), (4, 7155280), (5, 5724224), (8, 3577640), (10, 2862112), (11, 2601920), (16, 1788820), (20, 1431056), (22, 1300960), (32, 894410), (40, 715528), (44, 650480), (47, 608960), (55, 520384), (64, 447205), (80, 357764), (88, 325240), (94, 304480), (110, 260192), (160, 178882), (173, 165440), (176, 162620), (188, 152240), (220, 130096), (235, 121792), (320, 89441), (346, 82720), (352, 81310), (376, 76120), (440, 65048), (470, 60896), (517, 55360), (692, 41360), (704, 40655), (752, 38060), (865, 33088), (880, 32524), (940, 30448), (1034, 27680), (1384, 20680), (1504, 19030), (1730, 16544), (1760, 16262), (1880, 15224), (1903, 15040), (2068, 13840), (2585, 11072), (2768, 10340), (3008, 9515), (3460, 8272), (3520, 8131), (3760, 7612), (3806, 7520), (4136, 6920), (5170, 5536)]