139745920

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3259}}^1$

素因数の和:3345

約数の個数: 64

約数和(自身を含む): 339170400

約数和(自身を除く): 199424480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 536, 640, 670, 1072, 1340, 2144, 2680, 3259, 4288, 5360, 6518, 8576, 10720, 13036, 16295, 21440, 26072, 32590, 42880, 52144, 65180, 104288, 130360, 208576, 218353, 260720, 417152, 436706, 521440, 873412, 1042880, 1091765, 1746824, 2085760, 2183530, 3493648, 4367060, 6987296, 8734120, 13974592, 17468240, 27949184, 34936480, 69872960, 139745920]

約数ペア:

[(1, 139745920), (2, 69872960), (4, 34936480), (5, 27949184), (8, 17468240), (10, 13974592), (16, 8734120), (20, 6987296), (32, 4367060), (40, 3493648), (64, 2183530), (67, 2085760), (80, 1746824), (128, 1091765), (134, 1042880), (160, 873412), (268, 521440), (320, 436706), (335, 417152), (536, 260720), (640, 218353), (670, 208576), (1072, 130360), (1340, 104288), (2144, 65180), (2680, 52144), (3259, 42880), (4288, 32590), (5360, 26072), (6518, 21440), (8576, 16295), (10720, 13036)]