128309920

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{27653}}^1$

素因数の和:27697

約数の個数: 48

約数和(自身を含む): 313596360

約数和(自身を除く): 185286440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4640, 27653, 55306, 110612, 138265, 221224, 276530, 442448, 553060, 801937, 884896, 1106120, 1603874, 2212240, 3207748, 4009685, 4424480, 6415496, 8019370, 12830992, 16038740, 25661984, 32077480, 64154960, 128309920]

約数ペア:

[(1, 128309920), (2, 64154960), (4, 32077480), (5, 25661984), (8, 16038740), (10, 12830992), (16, 8019370), (20, 6415496), (29, 4424480), (32, 4009685), (40, 3207748), (58, 2212240), (80, 1603874), (116, 1106120), (145, 884896), (160, 801937), (232, 553060), (290, 442448), (464, 276530), (580, 221224), (928, 138265), (1160, 110612), (2320, 55306), (4640, 27653)]