15690855980

素因数分解:

$2^2\times 5^1\times {\mathrm{784542799}}^1$

素因数の和:784542808

約数の個数: 12

約数和(自身を含む): 32950797600

約数和(自身を除く): 17259941620

約数列:

[1, 2, 4, 5, 10, 20, 784542799, 1569085598, 3138171196, 3922713995, 7845427990, 15690855980]

約数ペア:

[(1, 15690855980), (2, 7845427990), (4, 3922713995), (5, 3138171196), (10, 1569085598), (20, 784542799)]