19957367080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{5479}}^1\times {\mathrm{13009}}^1$

素因数の和:18506

約数の個数: 64

約数和(自身を含む): 51332256000

約数和(自身を除く): 31374888920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 5479, 10958, 13009, 21916, 26018, 27395, 38353, 43832, 52036, 54790, 65045, 76706, 91063, 104072, 109580, 130090, 153412, 182126, 191765, 219160, 260180, 306824, 364252, 383530, 455315, 520360, 728504, 767060, 910630, 1534120, 1821260, 3642520, 71276311, 142552622, 285105244, 356381555, 498934177, 570210488, 712763110, 997868354, 1425526220, 1995736708, 2494670885, 2851052440, 3991473416, 4989341770, 9978683540, 19957367080]

約数ペア:

[(1, 19957367080), (2, 9978683540), (4, 4989341770), (5, 3991473416), (7, 2851052440), (8, 2494670885), (10, 1995736708), (14, 1425526220), (20, 997868354), (28, 712763110), (35, 570210488), (40, 498934177), (56, 356381555), (70, 285105244), (140, 142552622), (280, 71276311), (5479, 3642520), (10958, 1821260), (13009, 1534120), (21916, 910630), (26018, 767060), (27395, 728504), (38353, 520360), (43832, 455315), (52036, 383530), (54790, 364252), (65045, 306824), (76706, 260180), (91063, 219160), (104072, 191765), (109580, 182126), (130090, 153412)]