80426720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45697}}^1$

素因数の和:45723

約数の個数: 48

約数和(自身を含む): 207286128

約数和(自身を除く): 126859408

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 45697, 91394, 182788, 228485, 365576, 456970, 502667, 731152, 913940, 1005334, 1462304, 1827880, 2010668, 2513335, 3655760, 4021336, 5026670, 7311520, 8042672, 10053340, 16085344, 20106680, 40213360, 80426720]

約数ペア:

[(1, 80426720), (2, 40213360), (4, 20106680), (5, 16085344), (8, 10053340), (10, 8042672), (11, 7311520), (16, 5026670), (20, 4021336), (22, 3655760), (32, 2513335), (40, 2010668), (44, 1827880), (55, 1462304), (80, 1005334), (88, 913940), (110, 731152), (160, 502667), (176, 456970), (220, 365576), (352, 228485), (440, 182788), (880, 91394), (1760, 45697)]