168439732040

素因数分解:

$2^3\times 5^1\times {\mathrm{4210993301}}^1$

素因数の和:4210993312

約数の個数: 16

約数和(自身を含む): 378989397180

約数和(自身を除く): 210549665140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4210993301, 8421986602, 16843973204, 21054966505, 33687946408, 42109933010, 84219866020, 168439732040]

約数ペア:

[(1, 168439732040), (2, 84219866020), (4, 42109933010), (5, 33687946408), (8, 21054966505), (10, 16843973204), (20, 8421986602), (40, 4210993301)]