320420048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1540481}}^1$

素因数の和:1540502

約数の個数: 20

約数和(自身を含む): 668569188

約数和(自身を除く): 348149140

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1540481, 3080962, 6161924, 12323848, 20026253, 24647696, 40052506, 80105012, 160210024, 320420048]

約数ペア:

[(1, 320420048), (2, 160210024), (4, 80105012), (8, 40052506), (13, 24647696), (16, 20026253), (26, 12323848), (52, 6161924), (104, 3080962), (208, 1540481)]