8579980

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1019}}^1$

素因数の和:1449

約数の個数: 24

約数和(自身を含む): 18078480

約数和(自身を除く): 9498500

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1019, 1684, 2038, 2105, 4076, 4210, 5095, 8420, 10190, 20380, 428999, 857998, 1715996, 2144995, 4289990, 8579980]

約数ペア:

[(1, 8579980), (2, 4289990), (4, 2144995), (5, 1715996), (10, 857998), (20, 428999), (421, 20380), (842, 10190), (1019, 8420), (1684, 5095), (2038, 4210), (2105, 4076)]