12740590

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{7039}}^1$

素因数の和:7227

約数の個数: 16

約数和(自身を含む): 23063040

約数和(自身を除く): 10322450

約数列:

[1, 2, 5, 10, 181, 362, 905, 1810, 7039, 14078, 35195, 70390, 1274059, 2548118, 6370295, 12740590]

約数ペア:

[(1, 12740590), (2, 6370295), (5, 2548118), (10, 1274059), (181, 70390), (362, 35195), (905, 14078), (1810, 7039)]