985525760

素因数分解:

$2^9\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6311}}^1$

素因数の和:6395

約数の個数: 80

約数和(自身を含む): 2402069472

約数和(自身を除く): 1416543712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 488, 512, 610, 640, 976, 1220, 1280, 1952, 2440, 2560, 3904, 4880, 6311, 7808, 9760, 12622, 15616, 19520, 25244, 31232, 31555, 39040, 50488, 63110, 78080, 100976, 126220, 156160, 201952, 252440, 384971, 403904, 504880, 769942, 807808, 1009760, 1539884, 1615616, 1924855, 2019520, 3079768, 3231232, 3849710, 4039040, 6159536, 7699420, 8078080, 12319072, 15398840, 16156160, 24638144, 30797680, 49276288, 61595360, 98552576, 123190720, 197105152, 246381440, 492762880, 985525760]

約数ペア:

[(1, 985525760), (2, 492762880), (4, 246381440), (5, 197105152), (8, 123190720), (10, 98552576), (16, 61595360), (20, 49276288), (32, 30797680), (40, 24638144), (61, 16156160), (64, 15398840), (80, 12319072), (122, 8078080), (128, 7699420), (160, 6159536), (244, 4039040), (256, 3849710), (305, 3231232), (320, 3079768), (488, 2019520), (512, 1924855), (610, 1615616), (640, 1539884), (976, 1009760), (1220, 807808), (1280, 769942), (1952, 504880), (2440, 403904), (2560, 384971), (3904, 252440), (4880, 201952), (6311, 156160), (7808, 126220), (9760, 100976), (12622, 78080), (15616, 63110), (19520, 50488), (25244, 39040), (31232, 31555)]