12779660

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4597}}^1$

素因数の和:4745

約数の個数: 24

約数和(自身を含む): 27036240

約数和(自身を除く): 14256580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 4597, 9194, 18388, 22985, 45970, 91940, 638983, 1277966, 2555932, 3194915, 6389830, 12779660]

約数ペア:

[(1, 12779660), (2, 6389830), (4, 3194915), (5, 2555932), (10, 1277966), (20, 638983), (139, 91940), (278, 45970), (556, 22985), (695, 18388), (1390, 9194), (2780, 4597)]