247645480

素因数分解:

$2^3\times 5^1\times {\mathrm{6191137}}^1$

素因数の和:6191148

約数の個数: 16

約数和(自身を含む): 557202420

約数和(自身を除く): 309556940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6191137, 12382274, 24764548, 30955685, 49529096, 61911370, 123822740, 247645480]

約数ペア:

[(1, 247645480), (2, 123822740), (4, 61911370), (5, 49529096), (8, 30955685), (10, 24764548), (20, 12382274), (40, 6191137)]