12987860

素因数分解:

$2^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{1741}}^1$

素因数の和:2123

約数の個数: 24

約数和(自身を含む): 27363336

約数和(自身を除く): 14375476

約数列:

[1, 2, 4, 5, 10, 20, 373, 746, 1492, 1741, 1865, 3482, 3730, 6964, 7460, 8705, 17410, 34820, 649393, 1298786, 2597572, 3246965, 6493930, 12987860]

約数ペア:

[(1, 12987860), (2, 6493930), (4, 3246965), (5, 2597572), (10, 1298786), (20, 649393), (373, 34820), (746, 17410), (1492, 8705), (1741, 7460), (1865, 6964), (3482, 3730)]