8969420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5039}}^1$

素因数の和:5137

約数の個数: 24

約数和(自身を含む): 19051200

約数和(自身を除く): 10081780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 5039, 10078, 20156, 25195, 50390, 100780, 448471, 896942, 1793884, 2242355, 4484710, 8969420]

約数ペア:

[(1, 8969420), (2, 4484710), (4, 2242355), (5, 1793884), (10, 896942), (20, 448471), (89, 100780), (178, 50390), (356, 25195), (445, 20156), (890, 10078), (1780, 5039)]