2782130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21401}}^1$

素因数の和:21421

約数の個数: 16

約数和(自身を含む): 5393304

約数和(自身を除く): 2611174

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 21401, 42802, 107005, 214010, 278213, 556426, 1391065, 2782130]

約数ペア:

[(1, 2782130), (2, 1391065), (5, 556426), (10, 278213), (13, 214010), (26, 107005), (65, 42802), (130, 21401)]