2015323780

素因数分解:

$2^2\times 5^1\times {\mathrm{22639}}^1\times {\mathrm{4451}}^1$

素因数の和:27099

約数の個数: 24

約数和(自身を含む): 4233317760

約数和(自身を除く): 2217993980

約数列:

[1, 2, 4, 5, 10, 20, 4451, 8902, 17804, 22255, 22639, 44510, 45278, 89020, 90556, 113195, 226390, 452780, 100766189, 201532378, 403064756, 503830945, 1007661890, 2015323780]

約数ペア:

[(1, 2015323780), (2, 1007661890), (4, 503830945), (5, 403064756), (10, 201532378), (20, 100766189), (4451, 452780), (8902, 226390), (17804, 113195), (22255, 90556), (22639, 89020), (44510, 45278)]