77283920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{138007}}^1$

素因数の和:138027

約数の個数: 40

約数和(自身を含む): 205355904

約数和(自身を除く): 128071984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 138007, 276014, 552028, 690035, 966049, 1104056, 1380070, 1932098, 2208112, 2760140, 3864196, 4830245, 5520280, 7728392, 9660490, 11040560, 15456784, 19320980, 38641960, 77283920]

約数ペア:

[(1, 77283920), (2, 38641960), (4, 19320980), (5, 15456784), (7, 11040560), (8, 9660490), (10, 7728392), (14, 5520280), (16, 4830245), (20, 3864196), (28, 2760140), (35, 2208112), (40, 1932098), (56, 1380070), (70, 1104056), (80, 966049), (112, 690035), (140, 552028), (280, 276014), (560, 138007)]