2005138103680

素因数分解:

$2^7\times 5^1\times {\mathrm{2017}}^1\times {\mathrm{1553311}}^1$

素因数の和:1555347

約数の個数: 64

約数和(自身を含む): 4795912932480

約数和(自身を除く): 2790774828800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2017, 4034, 8068, 10085, 16136, 20170, 32272, 40340, 64544, 80680, 129088, 161360, 258176, 322720, 645440, 1290880, 1553311, 3106622, 6213244, 7766555, 12426488, 15533110, 24852976, 31066220, 49705952, 62132440, 99411904, 124264880, 198823808, 248529760, 497059520, 994119040, 3133028287, 6266056574, 12532113148, 15665141435, 25064226296, 31330282870, 50128452592, 62660565740, 100256905184, 125321131480, 200513810368, 250642262960, 401027620736, 501284525920, 1002569051840, 2005138103680]

約数ペア:

[(1, 2005138103680), (2, 1002569051840), (4, 501284525920), (5, 401027620736), (8, 250642262960), (10, 200513810368), (16, 125321131480), (20, 100256905184), (32, 62660565740), (40, 50128452592), (64, 31330282870), (80, 25064226296), (128, 15665141435), (160, 12532113148), (320, 6266056574), (640, 3133028287), (2017, 994119040), (4034, 497059520), (8068, 248529760), (10085, 198823808), (16136, 124264880), (20170, 99411904), (32272, 62132440), (40340, 49705952), (64544, 31066220), (80680, 24852976), (129088, 15533110), (161360, 12426488), (258176, 7766555), (322720, 6213244), (645440, 3106622), (1290880, 1553311)]