27240590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{209543}}^1$

素因数の和:209563

約数の個数: 16

約数和(自身を含む): 52805088

約数和(自身を除く): 25564498

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 209543, 419086, 1047715, 2095430, 2724059, 5448118, 13620295, 27240590]

約数ペア:

[(1, 27240590), (2, 13620295), (5, 5448118), (10, 2724059), (13, 2095430), (26, 1047715), (65, 419086), (130, 209543)]