6616840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3847}}^1$

素因数の和:3901

約数の個数: 32

約数和(自身を含む): 15238080

約数和(自身を除く): 8621240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 3847, 7694, 15388, 19235, 30776, 38470, 76940, 153880, 165421, 330842, 661684, 827105, 1323368, 1654210, 3308420, 6616840]

約数ペア:

[(1, 6616840), (2, 3308420), (4, 1654210), (5, 1323368), (8, 827105), (10, 661684), (20, 330842), (40, 165421), (43, 153880), (86, 76940), (172, 38470), (215, 30776), (344, 19235), (430, 15388), (860, 7694), (1720, 3847)]