80256988

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{587}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 169908480

約数和(自身を除く): 89651492

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 257, 266, 514, 532, 587, 1028, 1174, 1799, 2348, 3598, 4109, 4883, 7196, 8218, 9766, 11153, 16436, 19532, 22306, 34181, 44612, 68362, 78071, 136724, 150859, 156142, 301718, 312284, 603436, 1056013, 2112026, 2866321, 4224052, 5732642, 11465284, 20064247, 40128494, 80256988]

約数ペア:

[(1, 80256988), (2, 40128494), (4, 20064247), (7, 11465284), (14, 5732642), (19, 4224052), (28, 2866321), (38, 2112026), (76, 1056013), (133, 603436), (257, 312284), (266, 301718), (514, 156142), (532, 150859), (587, 136724), (1028, 78071), (1174, 68362), (1799, 44612), (2348, 34181), (3598, 22306), (4109, 19532), (4883, 16436), (7196, 11153), (8218, 9766)]