15690855940

素因数分解:

$2^2\times 5^1\times {\mathrm{784542797}}^1$

素因数の和:784542806

約数の個数: 12

約数和(自身を含む): 32950797516

約数和(自身を除く): 17259941576

約数列:

[1, 2, 4, 5, 10, 20, 784542797, 1569085594, 3138171188, 3922713985, 7845427970, 15690855940]

約数ペア:

[(1, 15690855940), (2, 7845427970), (4, 3922713985), (5, 3138171188), (10, 1569085594), (20, 784542797)]