15285980

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1741}}^1$

素因数の和:2189

約数の個数: 24

約数和(自身を含む): 32192160

約数和(自身を除く): 16906180

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1741, 1756, 2195, 3482, 4390, 6964, 8705, 8780, 17410, 34820, 764299, 1528598, 3057196, 3821495, 7642990, 15285980]

約数ペア:

[(1, 15285980), (2, 7642990), (4, 3821495), (5, 3057196), (10, 1528598), (20, 764299), (439, 34820), (878, 17410), (1741, 8780), (1756, 8705), (2195, 6964), (3482, 4390)]