8880890

素因数分解:

$2^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2237}}^1$

素因数の和:2641

約数の個数: 16

約数和(自身を含む): 16033032

約数和(自身を除く): 7152142

約数列:

[1, 2, 5, 10, 397, 794, 1985, 2237, 3970, 4474, 11185, 22370, 888089, 1776178, 4440445, 8880890]

約数ペア:

[(1, 8880890), (2, 4440445), (5, 1776178), (10, 888089), (397, 22370), (794, 11185), (1985, 4474), (2237, 3970)]