2075565550

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{499}}^1\times {\mathrm{2029}}^1$

素因数の和:2581

約数の個数: 48

約数和(自身を含む): 3964590000

約数和(自身を除く): 1889024450

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 499, 998, 1025, 2029, 2050, 2495, 4058, 4990, 10145, 12475, 20290, 20459, 24950, 40918, 50725, 83189, 101450, 102295, 166378, 204590, 415945, 511475, 831890, 1012471, 1022950, 2024942, 2079725, 4159450, 5062355, 10124710, 25311775, 41511311, 50623550, 83022622, 207556555, 415113110, 1037782775, 2075565550]

約数ペア:

[(1, 2075565550), (2, 1037782775), (5, 415113110), (10, 207556555), (25, 83022622), (41, 50623550), (50, 41511311), (82, 25311775), (205, 10124710), (410, 5062355), (499, 4159450), (998, 2079725), (1025, 2024942), (2029, 1022950), (2050, 1012471), (2495, 831890), (4058, 511475), (4990, 415945), (10145, 204590), (12475, 166378), (20290, 102295), (20459, 101450), (24950, 83189), (40918, 50725)]