80904128

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{66533}}^1$

素因数の和:66564

約数の個数: 28

約数和(自身を含む): 168996360

約数和(自身を除く): 88092232

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 66533, 133066, 266132, 532264, 1064528, 1264127, 2129056, 2528254, 4258112, 5056508, 10113016, 20226032, 40452064, 80904128]

約数ペア:

[(1, 80904128), (2, 40452064), (4, 20226032), (8, 10113016), (16, 5056508), (19, 4258112), (32, 2528254), (38, 2129056), (64, 1264127), (76, 1064528), (152, 532264), (304, 266132), (608, 133066), (1216, 66533)]