80470720

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22861}}^1$

素因数の和:22889

約数の個数: 56

約数和(自身を含む): 209050128

約数和(自身を除く): 128579408

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 22861, 45722, 91444, 114305, 182888, 228610, 251471, 365776, 457220, 502942, 731552, 914440, 1005884, 1257355, 1463104, 1828880, 2011768, 2514710, 3657760, 4023536, 5029420, 7315520, 8047072, 10058840, 16094144, 20117680, 40235360, 80470720]

約数ペア:

[(1, 80470720), (2, 40235360), (4, 20117680), (5, 16094144), (8, 10058840), (10, 8047072), (11, 7315520), (16, 5029420), (20, 4023536), (22, 3657760), (32, 2514710), (40, 2011768), (44, 1828880), (55, 1463104), (64, 1257355), (80, 1005884), (88, 914440), (110, 731552), (160, 502942), (176, 457220), (220, 365776), (320, 251471), (352, 228610), (440, 182888), (704, 114305), (880, 91444), (1760, 45722), (3520, 22861)]