257020010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1977077}}^1$

素因数の和:1977097

約数の個数: 16

約数和(自身を含む): 498223656

約数和(自身を除く): 241203646

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1977077, 3954154, 9885385, 19770770, 25702001, 51404002, 128510005, 257020010]

約数ペア:

[(1, 257020010), (2, 128510005), (5, 51404002), (10, 25702001), (13, 19770770), (26, 9885385), (65, 3954154), (130, 1977077)]