15381680

素因数分解:

$2^4\times 5^1\times {\mathrm{192271}}^1$

素因数の和:192284

約数の個数: 20

約数和(自身を含む): 35762592

約数和(自身を除く): 20380912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 192271, 384542, 769084, 961355, 1538168, 1922710, 3076336, 3845420, 7690840, 15381680]

約数ペア:

[(1, 15381680), (2, 7690840), (4, 3845420), (5, 3076336), (8, 1922710), (10, 1538168), (16, 961355), (20, 769084), (40, 384542), (80, 192271)]