1260647560

素因数分解:

$2^3\times 5^1\times {\mathrm{31516189}}^1$

素因数の和:31516200

約数の個数: 16

約数和(自身を含む): 2836457100

約数和(自身を除く): 1575809540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 31516189, 63032378, 126064756, 157580945, 252129512, 315161890, 630323780, 1260647560]

約数ペア:

[(1, 1260647560), (2, 630323780), (4, 315161890), (5, 252129512), (8, 157580945), (10, 126064756), (20, 63032378), (40, 31516189)]