123441040

素因数分解:

$2^4\times 5^1\times {\mathrm{1543013}}^1$

素因数の和:1543026

約数の個数: 20

約数和(自身を含む): 287000604

約数和(自身を除く): 163559564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1543013, 3086026, 6172052, 7715065, 12344104, 15430130, 24688208, 30860260, 61720520, 123441040]

約数ペア:

[(1, 123441040), (2, 61720520), (4, 30860260), (5, 24688208), (8, 15430130), (10, 12344104), (16, 7715065), (20, 6172052), (40, 3086026), (80, 1543013)]