4359980

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{787}}^1$

素因数の和:1073

約数の個数: 24

約数和(自身を含む): 9200688

約数和(自身を除く): 4840708

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 787, 1108, 1385, 1574, 2770, 3148, 3935, 5540, 7870, 15740, 217999, 435998, 871996, 1089995, 2179990, 4359980]

約数ペア:

[(1, 4359980), (2, 2179990), (4, 1089995), (5, 871996), (10, 435998), (20, 217999), (277, 15740), (554, 7870), (787, 5540), (1108, 3935), (1385, 3148), (1574, 2770)]