2491008080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{809}}^1\times {\mathrm{3499}}^1$

素因数の和:4332

約数の個数: 80

約数和(自身を含む): 6327720000

約数和(自身を除く): 3836711920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 809, 880, 1618, 3236, 3499, 4045, 6472, 6998, 8090, 8899, 12944, 13996, 16180, 17495, 17798, 27992, 32360, 34990, 35596, 38489, 44495, 55984, 64720, 69980, 71192, 76978, 88990, 139960, 142384, 153956, 177980, 192445, 279920, 307912, 355960, 384890, 615824, 711920, 769780, 1539560, 2830691, 3079120, 5661382, 11322764, 14153455, 22645528, 28306910, 31137601, 45291056, 56613820, 62275202, 113227640, 124550404, 155688005, 226455280, 249100808, 311376010, 498201616, 622752020, 1245504040, 2491008080]

約数ペア:

[(1, 2491008080), (2, 1245504040), (4, 622752020), (5, 498201616), (8, 311376010), (10, 249100808), (11, 226455280), (16, 155688005), (20, 124550404), (22, 113227640), (40, 62275202), (44, 56613820), (55, 45291056), (80, 31137601), (88, 28306910), (110, 22645528), (176, 14153455), (220, 11322764), (440, 5661382), (809, 3079120), (880, 2830691), (1618, 1539560), (3236, 769780), (3499, 711920), (4045, 615824), (6472, 384890), (6998, 355960), (8090, 307912), (8899, 279920), (12944, 192445), (13996, 177980), (16180, 153956), (17495, 142384), (17798, 139960), (27992, 88990), (32360, 76978), (34990, 71192), (35596, 69980), (38489, 64720), (44495, 55984)]