121688240

素因数分解:

$2^4\times 5^1\times {\mathrm{1521103}}^1$

素因数の和:1521116

約数の個数: 20

約数和(自身を含む): 282925344

約数和(自身を除く): 161237104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1521103, 3042206, 6084412, 7605515, 12168824, 15211030, 24337648, 30422060, 60844120, 121688240]

約数ペア:

[(1, 121688240), (2, 60844120), (4, 30422060), (5, 24337648), (8, 15211030), (10, 12168824), (16, 7605515), (20, 6084412), (40, 3042206), (80, 1521103)]