201626780

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{39227}}^1$

素因数の和:39493

約数の個数: 24

約数和(自身を含む): 425074608

約数和(自身を除く): 223447828

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 39227, 78454, 156908, 196135, 392270, 784540, 10081339, 20162678, 40325356, 50406695, 100813390, 201626780]

約数ペア:

[(1, 201626780), (2, 100813390), (4, 50406695), (5, 40325356), (10, 20162678), (20, 10081339), (257, 784540), (514, 392270), (1028, 196135), (1285, 156908), (2570, 78454), (5140, 39227)]