4427840

素因数分解:

$2^6\times 5^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:255

約数の個数: 56

約数和(自身を含む): 10725912

約数和(自身を除く): 6298072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 137, 160, 202, 274, 320, 404, 505, 548, 685, 808, 1010, 1096, 1370, 1616, 2020, 2192, 2740, 3232, 4040, 4384, 5480, 6464, 8080, 8768, 10960, 13837, 16160, 21920, 27674, 32320, 43840, 55348, 69185, 110696, 138370, 221392, 276740, 442784, 553480, 885568, 1106960, 2213920, 4427840]

約数ペア:

[(1, 4427840), (2, 2213920), (4, 1106960), (5, 885568), (8, 553480), (10, 442784), (16, 276740), (20, 221392), (32, 138370), (40, 110696), (64, 69185), (80, 55348), (101, 43840), (137, 32320), (160, 27674), (202, 21920), (274, 16160), (320, 13837), (404, 10960), (505, 8768), (548, 8080), (685, 6464), (808, 5480), (1010, 4384), (1096, 4040), (1370, 3232), (1616, 2740), (2020, 2192)]