538002560

素因数分解:

$2^7\times 5^1\times {\mathrm{389}}^1\times {\mathrm{2161}}^1$

素因数の和:2569

約数の個数: 64

約数和(自身を含む): 1290065400

約数和(自身を除く): 752062840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 389, 640, 778, 1556, 1945, 2161, 3112, 3890, 4322, 6224, 7780, 8644, 10805, 12448, 15560, 17288, 21610, 24896, 31120, 34576, 43220, 49792, 62240, 69152, 86440, 124480, 138304, 172880, 248960, 276608, 345760, 691520, 840629, 1383040, 1681258, 3362516, 4203145, 6725032, 8406290, 13450064, 16812580, 26900128, 33625160, 53800256, 67250320, 107600512, 134500640, 269001280, 538002560]

約数ペア:

[(1, 538002560), (2, 269001280), (4, 134500640), (5, 107600512), (8, 67250320), (10, 53800256), (16, 33625160), (20, 26900128), (32, 16812580), (40, 13450064), (64, 8406290), (80, 6725032), (128, 4203145), (160, 3362516), (320, 1681258), (389, 1383040), (640, 840629), (778, 691520), (1556, 345760), (1945, 276608), (2161, 248960), (3112, 172880), (3890, 138304), (4322, 124480), (6224, 86440), (7780, 69152), (8644, 62240), (10805, 49792), (12448, 43220), (15560, 34576), (17288, 31120), (21610, 24896)]