2080291640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{28909}}^1$

素因数の和:29184

約数の個数: 64

約数和(自身を含む): 5370321600

約数和(自身を除く): 3290029960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 257, 280, 514, 1028, 1285, 1799, 2056, 2570, 3598, 5140, 7196, 8995, 10280, 14392, 17990, 28909, 35980, 57818, 71960, 115636, 144545, 202363, 231272, 289090, 404726, 578180, 809452, 1011815, 1156360, 1618904, 2023630, 4047260, 7429613, 8094520, 14859226, 29718452, 37148065, 52007291, 59436904, 74296130, 104014582, 148592260, 208029164, 260036455, 297184520, 416058328, 520072910, 1040145820, 2080291640]

約数ペア:

[(1, 2080291640), (2, 1040145820), (4, 520072910), (5, 416058328), (7, 297184520), (8, 260036455), (10, 208029164), (14, 148592260), (20, 104014582), (28, 74296130), (35, 59436904), (40, 52007291), (56, 37148065), (70, 29718452), (140, 14859226), (257, 8094520), (280, 7429613), (514, 4047260), (1028, 2023630), (1285, 1618904), (1799, 1156360), (2056, 1011815), (2570, 809452), (3598, 578180), (5140, 404726), (7196, 289090), (8995, 231272), (10280, 202363), (14392, 144545), (17990, 115636), (28909, 71960), (35980, 57818)]