25881392

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{19489}}^1$

素因数の和:19580

約数の個数: 20

約数和(自身を含む): 50751960

約数和(自身を除く): 24870568

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 19489, 38978, 77956, 155912, 311824, 1617587, 3235174, 6470348, 12940696, 25881392]

約数ペア:

[(1, 25881392), (2, 12940696), (4, 6470348), (8, 3235174), (16, 1617587), (83, 311824), (166, 155912), (332, 77956), (664, 38978), (1328, 19489)]