80807372

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 152409600

約数和(自身を除く): 71602228

約数列:

[1, 2, 4, 23, 46, 71, 89, 92, 139, 142, 178, 278, 284, 356, 556, 1633, 2047, 3197, 3266, 4094, 6319, 6394, 6532, 8188, 9869, 12371, 12638, 12788, 19738, 24742, 25276, 39476, 49484, 145337, 226987, 284533, 290674, 453974, 569066, 581348, 878341, 907948, 1138132, 1756682, 3513364, 20201843, 40403686, 80807372]

約数ペア:

[(1, 80807372), (2, 40403686), (4, 20201843), (23, 3513364), (46, 1756682), (71, 1138132), (89, 907948), (92, 878341), (139, 581348), (142, 569066), (178, 453974), (278, 290674), (284, 284533), (356, 226987), (556, 145337), (1633, 49484), (2047, 39476), (3197, 25276), (3266, 24742), (4094, 19738), (6319, 12788), (6394, 12638), (6532, 12371), (8188, 9869)]