2213920

素因数分解:

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

素因数の和:253

約数の個数: 48

約数和(自身を含む): 5320728

約数和(自身を除く): 3106808

約数列:

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

約数ペア:

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