2051240405

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1\times {\mathrm{10949}}^1$

素因数の和:11464

約数の個数: 16

約数和(自身を含む): 2495286000

約数和(自身を除く): 444045595

約数列:

[1, 5, 89, 421, 445, 2105, 10949, 37469, 54745, 187345, 974461, 4609529, 4872305, 23047645, 410248081, 2051240405]

約数ペア:

[(1, 2051240405), (5, 410248081), (89, 23047645), (421, 4872305), (445, 4609529), (2105, 974461), (10949, 187345), (37469, 54745)]