139531520

素因数分解:

$2^8\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1627}}^1$

素因数の和:1715

約数の個数: 72

約数和(自身を含む): 339418464

約数和(自身を除く): 199886944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 256, 268, 320, 335, 536, 640, 670, 1072, 1280, 1340, 1627, 2144, 2680, 3254, 4288, 5360, 6508, 8135, 8576, 10720, 13016, 16270, 17152, 21440, 26032, 32540, 42880, 52064, 65080, 85760, 104128, 109009, 130160, 208256, 218018, 260320, 416512, 436036, 520640, 545045, 872072, 1041280, 1090090, 1744144, 2082560, 2180180, 3488288, 4360360, 6976576, 8720720, 13953152, 17441440, 27906304, 34882880, 69765760, 139531520]

約数ペア:

[(1, 139531520), (2, 69765760), (4, 34882880), (5, 27906304), (8, 17441440), (10, 13953152), (16, 8720720), (20, 6976576), (32, 4360360), (40, 3488288), (64, 2180180), (67, 2082560), (80, 1744144), (128, 1090090), (134, 1041280), (160, 872072), (256, 545045), (268, 520640), (320, 436036), (335, 416512), (536, 260320), (640, 218018), (670, 208256), (1072, 130160), (1280, 109009), (1340, 104128), (1627, 85760), (2144, 65080), (2680, 52064), (3254, 42880), (4288, 32540), (5360, 26032), (6508, 21440), (8135, 17152), (8576, 16270), (10720, 13016)]