40386280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{349}}^1$

素因数の和:634

約数の個数: 64

約数和(自身を含む): 99792000

約数和(自身を除く): 59405720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 263, 349, 440, 526, 698, 1052, 1315, 1396, 1745, 2104, 2630, 2792, 2893, 3490, 3839, 5260, 5786, 6980, 7678, 10520, 11572, 13960, 14465, 15356, 19195, 23144, 28930, 30712, 38390, 57860, 76780, 91787, 115720, 153560, 183574, 367148, 458935, 734296, 917870, 1009657, 1835740, 2019314, 3671480, 4038628, 5048285, 8077256, 10096570, 20193140, 40386280]

約数ペア:

[(1, 40386280), (2, 20193140), (4, 10096570), (5, 8077256), (8, 5048285), (10, 4038628), (11, 3671480), (20, 2019314), (22, 1835740), (40, 1009657), (44, 917870), (55, 734296), (88, 458935), (110, 367148), (220, 183574), (263, 153560), (349, 115720), (440, 91787), (526, 76780), (698, 57860), (1052, 38390), (1315, 30712), (1396, 28930), (1745, 23144), (2104, 19195), (2630, 15356), (2792, 14465), (2893, 13960), (3490, 11572), (3839, 10520), (5260, 7678), (5786, 6980)]