28179633040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{381631}}^1$

素因数の和:381728

約数の個数: 80

約数和(自身を含む): 71551420416

約数和(自身を除く): 43371787376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 130, 142, 208, 260, 284, 355, 520, 568, 710, 923, 1040, 1136, 1420, 1846, 2840, 3692, 4615, 5680, 7384, 9230, 14768, 18460, 36920, 73840, 381631, 763262, 1526524, 1908155, 3053048, 3816310, 4961203, 6106096, 7632620, 9922406, 15265240, 19844812, 24806015, 27095801, 30530480, 39689624, 49612030, 54191602, 79379248, 99224060, 108383204, 135479005, 198448120, 216766408, 270958010, 352245413, 396896240, 433532816, 541916020, 704490826, 1083832040, 1408981652, 1761227065, 2167664080, 2817963304, 3522454130, 5635926608, 7044908260, 14089816520, 28179633040]

約数ペア:

[(1, 28179633040), (2, 14089816520), (4, 7044908260), (5, 5635926608), (8, 3522454130), (10, 2817963304), (13, 2167664080), (16, 1761227065), (20, 1408981652), (26, 1083832040), (40, 704490826), (52, 541916020), (65, 433532816), (71, 396896240), (80, 352245413), (104, 270958010), (130, 216766408), (142, 198448120), (208, 135479005), (260, 108383204), (284, 99224060), (355, 79379248), (520, 54191602), (568, 49612030), (710, 39689624), (923, 30530480), (1040, 27095801), (1136, 24806015), (1420, 19844812), (1846, 15265240), (2840, 9922406), (3692, 7632620), (4615, 6106096), (5680, 4961203), (7384, 3816310), (9230, 3053048), (14768, 1908155), (18460, 1526524), (36920, 763262), (73840, 381631)]