6811780

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{809}}^1$

素因数の和:1239

約数の個数: 24

約数和(自身を含む): 14356440

約数和(自身を除く): 7544660

約数列:

[1, 2, 4, 5, 10, 20, 421, 809, 842, 1618, 1684, 2105, 3236, 4045, 4210, 8090, 8420, 16180, 340589, 681178, 1362356, 1702945, 3405890, 6811780]

約数ペア:

[(1, 6811780), (2, 3405890), (4, 1702945), (5, 1362356), (10, 681178), (20, 340589), (421, 16180), (809, 8420), (842, 8090), (1618, 4210), (1684, 4045), (2105, 3236)]