15120440

素因数分解:

$2^3\times 5^1\times {\mathrm{378011}}^1$

素因数の和:378022

約数の個数: 16

約数和(自身を含む): 34021080

約数和(自身を除く): 18900640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 378011, 756022, 1512044, 1890055, 3024088, 3780110, 7560220, 15120440]

約数ペア:

[(1, 15120440), (2, 7560220), (4, 3780110), (5, 3024088), (8, 1890055), (10, 1512044), (20, 756022), (40, 378011)]