80771872

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{487}}^1$

素因数の和:641

約数の個数: 48

約数和(自身を含む): 163804032

約数和(自身を除く): 83032160

約数列:

[1, 2, 4, 8, 16, 32, 71, 73, 142, 146, 284, 292, 487, 568, 584, 974, 1136, 1168, 1948, 2272, 2336, 3896, 5183, 7792, 10366, 15584, 20732, 34577, 35551, 41464, 69154, 71102, 82928, 138308, 142204, 165856, 276616, 284408, 553232, 568816, 1106464, 1137632, 2524121, 5048242, 10096484, 20192968, 40385936, 80771872]

約数ペア:

[(1, 80771872), (2, 40385936), (4, 20192968), (8, 10096484), (16, 5048242), (32, 2524121), (71, 1137632), (73, 1106464), (142, 568816), (146, 553232), (284, 284408), (292, 276616), (487, 165856), (568, 142204), (584, 138308), (974, 82928), (1136, 71102), (1168, 69154), (1948, 41464), (2272, 35551), (2336, 34577), (3896, 20732), (5183, 15584), (7792, 10366)]