204049480

素因数分解:

$2^3\times 5^1\times {\mathrm{5101237}}^1$

素因数の和:5101248

約数の個数: 16

約数和(自身を含む): 459111420

約数和(自身を除く): 255061940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5101237, 10202474, 20404948, 25506185, 40809896, 51012370, 102024740, 204049480]

約数ペア:

[(1, 204049480), (2, 102024740), (4, 51012370), (5, 40809896), (8, 25506185), (10, 20404948), (20, 10202474), (40, 5101237)]