5240840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 13210560

約数和(自身を除く): 7969720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 277, 344, 430, 440, 473, 554, 860, 946, 1108, 1385, 1720, 1892, 2216, 2365, 2770, 3047, 3784, 4730, 5540, 6094, 9460, 11080, 11911, 12188, 15235, 18920, 23822, 24376, 30470, 47644, 59555, 60940, 95288, 119110, 121880, 131021, 238220, 262042, 476440, 524084, 655105, 1048168, 1310210, 2620420, 5240840]

約数ペア:

[(1, 5240840), (2, 2620420), (4, 1310210), (5, 1048168), (8, 655105), (10, 524084), (11, 476440), (20, 262042), (22, 238220), (40, 131021), (43, 121880), (44, 119110), (55, 95288), (86, 60940), (88, 59555), (110, 47644), (172, 30470), (215, 24376), (220, 23822), (277, 18920), (344, 15235), (430, 12188), (440, 11911), (473, 11080), (554, 9460), (860, 6094), (946, 5540), (1108, 4730), (1385, 3784), (1720, 3047), (1892, 2770), (2216, 2365)]