320020004

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{1126831}}^1$

素因数の和:1126906

約数の個数: 12

約数和(自身を含む): 567923328

約数和(自身を除く): 247903324

約数列:

[1, 2, 4, 71, 142, 284, 1126831, 2253662, 4507324, 80005001, 160010002, 320020004]

約数ペア:

[(1, 320020004), (2, 160010002), (4, 80005001), (71, 4507324), (142, 2253662), (284, 1126831)]