28814240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1979}}^1$

素因数の和:2014

約数の個数: 96

約数和(自身を含む): 83825280

約数和(自身を除く): 55011040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1456, 1820, 1979, 2080, 2912, 3640, 3958, 7280, 7916, 9895, 13853, 14560, 15832, 19790, 25727, 27706, 31664, 39580, 51454, 55412, 63328, 69265, 79160, 102908, 110824, 128635, 138530, 158320, 180089, 205816, 221648, 257270, 277060, 316640, 360178, 411632, 443296, 514540, 554120, 720356, 823264, 900445, 1029080, 1108240, 1440712, 1800890, 2058160, 2216480, 2881424, 3601780, 4116320, 5762848, 7203560, 14407120, 28814240]

約数ペア:

[(1, 28814240), (2, 14407120), (4, 7203560), (5, 5762848), (7, 4116320), (8, 3601780), (10, 2881424), (13, 2216480), (14, 2058160), (16, 1800890), (20, 1440712), (26, 1108240), (28, 1029080), (32, 900445), (35, 823264), (40, 720356), (52, 554120), (56, 514540), (65, 443296), (70, 411632), (80, 360178), (91, 316640), (104, 277060), (112, 257270), (130, 221648), (140, 205816), (160, 180089), (182, 158320), (208, 138530), (224, 128635), (260, 110824), (280, 102908), (364, 79160), (416, 69265), (455, 63328), (520, 55412), (560, 51454), (728, 39580), (910, 31664), (1040, 27706), (1120, 25727), (1456, 19790), (1820, 15832), (1979, 14560), (2080, 13853), (2912, 9895), (3640, 7916), (3958, 7280)]