15387280

素因数分解:

$2^4\times 5^1\times {\mathrm{192341}}^1$

素因数の和:192354

約数の個数: 20

約数和(自身を含む): 35775612

約数和(自身を除く): 20388332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 192341, 384682, 769364, 961705, 1538728, 1923410, 3077456, 3846820, 7693640, 15387280]

約数ペア:

[(1, 15387280), (2, 7693640), (4, 3846820), (5, 3077456), (8, 1923410), (10, 1538728), (16, 961705), (20, 769364), (40, 384682), (80, 192341)]