6887560

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{421}}^1$

素因数の和:841

約数の個数: 32

約数和(自身を含む): 15571800

約数和(自身を除く): 8684240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 421, 818, 842, 1636, 1684, 2045, 2105, 3272, 3368, 4090, 4210, 8180, 8420, 16360, 16840, 172189, 344378, 688756, 860945, 1377512, 1721890, 3443780, 6887560]

約数ペア:

[(1, 6887560), (2, 3443780), (4, 1721890), (5, 1377512), (8, 860945), (10, 688756), (20, 344378), (40, 172189), (409, 16840), (421, 16360), (818, 8420), (842, 8180), (1636, 4210), (1684, 4090), (2045, 3368), (2105, 3272)]