80491904

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1439}}^1$

素因数の和:1495

約数の個数: 64

約数和(自身を含む): 176256000

約数和(自身を除く): 95764096

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 64, 76, 92, 128, 152, 184, 304, 368, 437, 608, 736, 874, 1216, 1439, 1472, 1748, 2432, 2878, 2944, 3496, 5756, 6992, 11512, 13984, 23024, 27341, 27968, 33097, 46048, 54682, 55936, 66194, 92096, 109364, 132388, 184192, 218728, 264776, 437456, 529552, 628843, 874912, 1059104, 1257686, 1749824, 2118208, 2515372, 3499648, 4236416, 5030744, 10061488, 20122976, 40245952, 80491904]

約数ペア:

[(1, 80491904), (2, 40245952), (4, 20122976), (8, 10061488), (16, 5030744), (19, 4236416), (23, 3499648), (32, 2515372), (38, 2118208), (46, 1749824), (64, 1257686), (76, 1059104), (92, 874912), (128, 628843), (152, 529552), (184, 437456), (304, 264776), (368, 218728), (437, 184192), (608, 132388), (736, 109364), (874, 92096), (1216, 66194), (1439, 55936), (1472, 54682), (1748, 46048), (2432, 33097), (2878, 27968), (2944, 27341), (3496, 23024), (5756, 13984), (6992, 11512)]