1557100940

素因数分解:

$2^2\times 5^1\times {\mathrm{77855047}}^1$

素因数の和:77855056

約数の個数: 12

約数和(自身を含む): 3269912016

約数和(自身を除く): 1712811076

約数列:

[1, 2, 4, 5, 10, 20, 77855047, 155710094, 311420188, 389275235, 778550470, 1557100940]

約数ペア:

[(1, 1557100940), (2, 778550470), (4, 389275235), (5, 311420188), (10, 155710094), (20, 77855047)]