1640570032

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{1235369}}^1$

素因数の和:1235460

約数の個数: 20

約数和(自身を含む): 3216903480

約数和(自身を除く): 1576333448

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 1235369, 2470738, 4941476, 9882952, 19765904, 102535627, 205071254, 410142508, 820285016, 1640570032]

約数ペア:

[(1, 1640570032), (2, 820285016), (4, 410142508), (8, 205071254), (16, 102535627), (83, 19765904), (166, 9882952), (332, 4941476), (664, 2470738), (1328, 1235369)]