201605069780

素因数分解:

$2^2\times 5^1\times {\mathrm{10080253489}}^1$

素因数の和:10080253498

約数の個数: 12

約数和(自身を含む): 423370646580

約数和(自身を除く): 221765576800

約数列:

[1, 2, 4, 5, 10, 20, 10080253489, 20160506978, 40321013956, 50401267445, 100802534890, 201605069780]

約数ペア:

[(1, 201605069780), (2, 100802534890), (4, 50401267445), (5, 40321013956), (10, 20160506978), (20, 10080253489)]