40988060

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{23027}}^1$

素因数の和:23125

約数の個数: 24

約数和(自身を含む): 87045840

約数和(自身を除く): 46057780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 23027, 46054, 92108, 115135, 230270, 460540, 2049403, 4098806, 8197612, 10247015, 20494030, 40988060]

約数ペア:

[(1, 40988060), (2, 20494030), (4, 10247015), (5, 8197612), (10, 4098806), (20, 2049403), (89, 460540), (178, 230270), (356, 115135), (445, 92108), (890, 46054), (1780, 23027)]