105520120

素因数分解:

$2^3\times 5^1\times {\mathrm{2638003}}^1$

素因数の和:2638014

約数の個数: 16

約数和(自身を含む): 237420360

約数和(自身を除く): 131900240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2638003, 5276006, 10552012, 13190015, 21104024, 26380030, 52760060, 105520120]

約数ペア:

[(1, 105520120), (2, 52760060), (4, 26380030), (5, 21104024), (8, 13190015), (10, 10552012), (20, 5276006), (40, 2638003)]