5081680

素因数分解:

$2^4\times 5^1\times {\mathrm{63521}}^1$

素因数の和:63534

約数の個数: 20

約数和(自身を含む): 11815092

約数和(自身を除く): 6733412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 63521, 127042, 254084, 317605, 508168, 635210, 1016336, 1270420, 2540840, 5081680]

約数ペア:

[(1, 5081680), (2, 2540840), (4, 1270420), (5, 1016336), (8, 635210), (10, 508168), (16, 317605), (20, 254084), (40, 127042), (80, 63521)]